Two electrons are placed; one at north pole and other at south pole of earth. Find the force between them. Given diameter of earth= 12800 km.
100,104 results, page 68-
science
. How does the principle of uniformitarianism accounts for occasional catastrophic events such as meteorite impacts, huge volcanic eruptions, or great earthquakes? In what ways do geologic processes affect a person's daily life? . When astronauts brought
asked by bubba on May 24, 2011 -
Social Studies
In which region of Asia would you find the Gobi Desert? a. East Asia b. Western Asia c. South Asia d. Southeast Asia
asked by Kaai97 on October 16, 2015 -
Physics
If you were to push a pile of books across a table, in which location would this be the easiest? The moon(my choice) Earth Same amount no matter the location Jupiter Suppose a large pizza is placed on earth, the moon, and Jupiter. In each location, the
asked by Pookie on October 1, 2018 -
calculus
Two cars start from the same point at the same time. One travels north at 25 mph, and the other travels east at 60 mph. How fast is the distance between them increasing at the end of 1 hr? Find D after 1 Hr, solve D^2=25^2+ 60^2
asked by Allison on October 23, 2012 -
please help! asap. thank you!
I need to find out events that are part of adolescences lives in korea. ex.birthday.. thanks! .. btw, would Koreans celebrate their 16th birthday party like how they celebrate it in North America?
asked by Kim on January 16, 2008 -
Physics
Using GRAPHICAL METHOD, find the vector sum of a force of 20 N directed 60 degrees east of north and a force of 60 N directed west? Please show all steps and equations used.
asked by Alyssa on September 19, 2015 -
Geography
Employment opportunities were limited in Tijuana. Manuel, who had been unemployed for several months, decided to join a group of people traveling north to find work. What concept is described by the paragraph above? A)population growth B)urbanization
asked by george on December 15, 2009 -
world geography
Employment opportunities were limited in Tijuana. Manuel, who had been unemployed for several months, decided to join a group of people traveling north to find work. What concept is described by the paragraph above? a)population growth b)urbanization
asked by ty washington on October 27, 2014 -
Geography
Employment opportunities were limited in Tijuana. Manuel, who had been unemployed for several months, decided to join a group of people traveling north to find work. What concept is described by the paragraph above? a)population growth b)urbanization
asked by george on December 15, 2009 -
math
The cruising speed of a Boeing 767 in still air is 530 mph. Suppose that a 767 is cruising directly east when it encounters an 80 mph wind blowing 40 degrees south of west. Sketch the vectors for the velocities of the airplane and the wind. Express both
asked by Connie on February 18, 2014 -
Physics Check
Since I've been waiting to get my answers checked for my submission #2, I moved on to my submission #3 and I need some questions checked for my submission #3 please. 1.)If a blue car drives 10km/h across the deck of an ocean liner that is traveling at
asked by Ariel on July 12, 2010 -
Physics
(c) On Earth a fit astronaut without a space suit and life support pack can leap straight up and leave the ground with an initial vertical velocity of about v1y = 2.4 m/s and rise to a height of about h = 0.24 m above the point where he first loses contact
asked by Alexandra on September 17, 2014 -
Physics
On Earth a fit astronaut without a space suit and life support pack can leap straight up and leave the ground with an initial vertical velocity of about v1y = 2.4 m/s and rise to a height of about h = 0.24 m above the point where he first loses contact
asked by Alexandra on September 18, 2014 -
Physics
Let's say that the force of gravity on the equator of the Earth is 9.81 m/s^2 what is the magnitutde of gravity of something at 41.603221,-73.087749 ???? I'm guessing that 41.603221,-73.087749 is lattitude and longittude so I really have no idea what to
asked by HELP ME! on May 20, 2009 -
Math
A ship is traveling due north. Every 30 mins,the captain corrects his course by a certain number of degrees.Here are the corrections made during the first four hours of the voyage: 5,-7,3,2,-6,8,-4,-6 ps theres degrees in the numbers Note:in marine
asked by Natalie on January 14, 2013 -
s
According to science, the fastest speed possible for anything is the speed of light. The speed of light is about 186,000 miles per second. That means that in one minute, light travels 11,160,000 miles. The star nearest Earth is the Sun. It's about
asked by pamela on June 3, 2013 -
reading
According to science, the fastest speed possible for anything is the speed of light. The speed of light is about 186,000 miles per second. That means that in one minute, light travels 11,160,000 miles. The star nearest Earth is the Sun. It's about
asked by Anonymous on October 19, 2012 -
Reading skills
According to science, the fastest speed possible for anything is the speed of light. The speed of light is about 186,000 miles per second. That means that in one minute, light travels 11,160,000 miles. The star nearest Earth is the Sun. It's about
asked by Tazkiyah on March 6, 2014 -
math
A plane leaves an airport and flies south at 120 mph. Later, a second plane leaves the same airport and flies south at 300 mph. If the second plane overtakes the first one in 5 1 2 hours, how much of a head start did the first plane have?
asked by Anonymous on October 2, 2018 -
Science
Which of the rock-forming mineral groups makes up the largest group of minerals in the Earth's crust? Look here for your answer. http://www.google.com/search?hl=en&lr=&ie=ISO-8859-1&q=minerals+earth%27s+crust&btnG=Search
asked by Liz on October 4, 2006 -
Check my answers?
A. 75 % B. 12.5% C. 25% D. 3.13% E. 9.38% 3. what percentage of land on the earths surface is inhospital lands? - B 4. what percentage of earths surface is covered by land? - C 5. what percentage of land on earth is usable, for living on, but not for
asked by Selena on November 15, 2013 -
Earth space science, check answers?
A. 75 % B. 12.5% C. 25% D. 3.13% E. 9.38% 3. what percentage of land on the earths surface is inhospital lands? - B 4. what percentage of earths surface is covered by land? - C 5. what percentage of land on earth is usable, for living on, but not for
asked by Selena on November 15, 2013 -
physics
Suppose that the displacement of a particle is related to time according to the expression delta x = ct^3. What are the SI units of the proportionality constant c? My answer: delta x = ct^3 m = c s^3 (s: seconds) m/s^3= c The SI units for c: m/s^3 correct?
asked by galileo on January 16, 2007 -
buisness
could someone help me with this question? Which of the following scenarios would not be considered international business? Choose one answer. a. A Chinese manufacturer sells toys to a large toy retailer in the United States. b. Intel sells its processors
asked by sharon on February 12, 2012 -
social studies
1. What were the Townshend Acts? A. The British put taxes on imported goods such as tea and glass. *** B. The British put taxes on hotels and other lodging accommodations. C. The British put taxes on newspapers, magazines, and official licenses. D. The
asked by honey on October 24, 2018 -
Chemistry
Calculate the velocities of electrons with de Broglie wavelengths of 1.7 102 nm and 5.0 nm, respectively.
asked by Anna on November 13, 2010 -
science
How many protons, neutrons, and electrons does a neutral atom of calcium have?
asked by Levi on December 15, 2011 -
bio
Relate how the arrangement of electrons determines an element’s reactivity
asked by Bre on May 21, 2012 -
Chemistry
How many electrons in an atom can have each of the following quantum number or sublevel designations? 1. n = 4, l = 3
asked by Chris on October 30, 2010 -
chemistry
what happens to the loosely held electrons when each ion is heated in the flame
asked by natty on November 16, 2010 -
chemistry
what happens to the loosely held electrons when each ion is heated in the flame
asked by natty on November 16, 2010 -
chemistry
The charge and identity of an ion with 16 protons, 18 electrons and 17 neutrons would be?
asked by Kim on February 6, 2013 -
Physics
I just have a question....How to know if the volt is -ve or not? and How to know if a charge has deficit or excess electrons ?
asked by Jiskha on January 14, 2013 -
chemistry
Can you make a compound and show the electrons for magnesium and sulfur
asked by samathy on October 31, 2010 -
Physics
How many electrons in an atom can have each of the following quantum number or sublevel designations? 1. n=4, l=3
asked by Arian on October 31, 2010 -
chemistry
how many electrons are shared by two atoms that form a triple bond?
asked by chris on January 12, 2009 -
chemistry please help
How many core electrons are there in a ground state phosphorus atom?
asked by Ena on November 1, 2010 -
science
how can the periodic table help you determine the number of valence electrons?
asked by Katherine on December 8, 2009 -
science
What are the seven energy levels and tell the maximum number of electrons that can fit in each.
asked by Abby on December 8, 2009 -
chemistry --
What determines whether 2 or 3 electrons will be removed from Fe when it reacts with another chemical or element?
asked by John on October 16, 2012 -
Physics
In the photoelectric effect, what determines the number of ejected electrons?
asked by Rob on April 4, 2008 -
Chemistry
how many electrons take part in redox reaction: Cl2 -> ClO3^-
asked by yoshii on January 23, 2013 -
Physical Science
What is the total number of electrons in a normal atom of hydrogen?
asked by casey on February 19, 2008 -
chemistry
Calculate the maximum number of unpaired electrons that can be placed in a 6d subshell
asked by Donald on January 7, 2017 -
chemistry
Of the metals Pb, Mg, Au, and Na, which will not spontaneously donate electrons to copper in solution?
asked by Lou on June 14, 2010 -
chemistry
What mass of protons would be required to just neutralize the charge of 2.7 g of electrons?
asked by blahh on September 20, 2010 -
chemistry
List the numbers of protons, neutrons, and electrons in Chlorine-18.
asked by idk on November 1, 2018 -
chemistry
How many electrons does the Au+ ion have ? Enter an integer below without any letters or symbols.
asked by danny on April 15, 2015 -
chemistry please help
How many core electrons are there in a ground state sulfur atom?
asked by Anthony on October 30, 2010 -
Chemistry
The Maximum number of electrons that may occupy the third electron shell is A)2 B)8 C)10 D) 18
asked by Taylor Beach on February 25, 2014 -
chemistry
Give the orbital designations of electrons with the following quantum numbers" (a) n = 3, l = 0, m1=0 (b) n=2, l=1, ml=-1 (c) n=4, l=3, ml=-2 (d) n=4, l=2, ml=0
asked by lynn on November 11, 2012 -
Chemistry (electron transfer)
Li^+(aq) + Zn(s) → Li(s) + Zn^2+(aq) How many electrons are transferred in the balanced equation? I came up with an answer of 2, is this correct?
asked by Summer on April 11, 2018 -
physics
do all electrons ejected from a metal surface have the same kinetic energy?
asked by Anonymous on April 13, 2010 -
science
If a atom has 26 protons, 26 electrons, and 30 neutrons, what is its mass number?
asked by John on March 12, 2010 -
SCIENCE?CHEMISTRY***
an 56 Fe 2+ particle has how many protons neutrons amd electrons??? 56 2+ Fe Thanks Andy
asked by ANDY on May 15, 2010 -
chemistry
How many core electrons are there in a ground state phosphorus atom?
asked by danny on February 3, 2015 -
physics
How many electrons pass through a lamp in 3 minutes.If the current is 300 ma?
asked by Anonymous on July 6, 2014 -
Chemistry
What are the 3 rule the govern the filling of atomic orbitals by electrons?
asked by Matthew on October 8, 2007 -
chemistry
what is the atomic number of an atom X which has 14 protons 14 electrons and 12 neutrons? 2 14 12 26
asked by kaiya on October 11, 2010 -
physics
An isotope of iodine is I-126.how many protons, neutrons &electrons does it have
asked by keria on January 21, 2012 -
science
Why are the shells in which electrons revolve called energy levels
asked by khushi on February 16, 2016 -
chemistry
which element in period 4 has four electrons in its electron-dot structure ?
asked by Raynique on October 25, 2010 -
Chemistry
When chromium has 26 electrons, how many neutrons and protons does it have and what is it's standard notation
asked by Chris on May 11, 2016 -
chemistry
How many degenerate orbitals are needed in CIF5 to contain seven electrons with five of them unpaired?
asked by ashley on November 3, 2008 -
physics
if a neutral object lost 2 electrons, what would it's charge be? it would be positive right?
asked by carrie on February 26, 2008 -
General chemistry
What mass of electrons would be required to just neutralize the charge of 2.7 of protons?
asked by Nadine on October 14, 2010 -
Physical sciences
The ruler now make contact with the neutral sphere.what happens to electrons?
asked by Mbali on April 20, 2014 -
Physics
Why are electrons allowed to fall on a crystal plate for diffraction ?
asked by Minhye on February 2, 2016 -
chemistry
What mass of electrons would be required to just neutralize the charge of 1.4 of protons?
asked by Claire on October 1, 2012 -
Chem
What mass of protons would be required to just neutralize the charge of 3.5 of electrons?
asked by Brandi on February 11, 2013 -
chemistry
how many valence electrons are shared, gained, or lost in nitrogen?
asked by please help on August 31, 2017 -
Science
What happens to electrons in any charging process? Give an example of something charged by induction?
asked by Toni on November 6, 2007 -
chm
How many valence shell electrons would you expect for an S2- ion? 8 Am I correct.
asked by luck on February 19, 2013 -
Chem
Predict how many electrons will most likely be gained or lost by each of the following elements. Al I know it loses but how many?
asked by rebekah on September 25, 2010 -
Science
An oxygen ion has 8 protons and 6 electrons. What is its charge in coulombs?
asked by Jaden on May 28, 2014 -
chemistry
what is the atomic weight of an atom x which has 14 protons 14 electrons and 12 neutrons 2 14 12 26
asked by kaiya on October 11, 2010 -
Chemistry
How many moles of electrons are required to produce 23.8 g Cu from a CuSO4 solution?
asked by Angel on May 2, 2010 -
chemistry
how do u set up the lewis structure for H30+? i know the available electrons is 3 but it has a +1 so it makes ir 2??
asked by madison on October 23, 2007 -
science
the modern atomic includes electrons orbinting the nucleus.
asked by jonathon on October 11, 2018 -
Chemistry
1. Which element forms bonds with a sea of mobile electrons? a) Ca b) C c) Ar d) He
asked by Anonymous on December 2, 2010 -
Chemistry
1. Which element forms bonds with a sea of mobile electrons? a) Ca b) C c) Ar d) He
asked by catherine on December 2, 2010 -
Chemistry
How many electrons would be required to fill the following sublevels? *3s *4s *3d *4d *3p *2d *3f *4d Choices are as follows A. 2 B 6 C 10 D 14 E There is no such orbital
asked by Kimberly on November 7, 2010 -
CHEMISTRY
How many electrons does the p-orbital of a methyl radical carbon CH3^. contain?
asked by Delli on November 25, 2007 -
Chemistry
How many electrons would be required to fill the following sublevels? This is what I got *3s = A *4s = A *3d = C *4d =C *3p =B *2d= E *3f =E *4d =C Choices are as follows A. 2 B 6 C 10 D 14 E There is no such orbital
asked by Kimberly on November 7, 2010 -
science
what is it called when electrons in the outer shell are available to bond with other atoms?
asked by kelley on November 18, 2015 -
chemistry
the cobalt atom has how many unpaired electrons in its ground state? 2 4 1 0 3
asked by Anonymous on July 11, 2010 -
chemistry
what element has four energy levels and two electrons on its outer shell
asked by alisha on November 14, 2007 -
College Chemistry
How many electrons in an atom can have each of the following quantum number or sublevel designations? (a)n=2; l=1; m=0 (b)5s (c)n=4; l=1
asked by Kayla on September 21, 2009 -
Chem
What mass of protons would be required to just neutralize the charge of 3.5 of electrons?
asked by Brandi on February 11, 2013 -
science
what types of are formed when atoms share electrons unequally
asked by Anonymous on November 19, 2016 -
Chemistry
How many unpaired electrons are in the electron structure of 24 Cr, [Ar]4s1 3d5
asked by dody on December 5, 2010 -
chemistry
how many valence electrons is an oxygen atom able to attract from other atoms
asked by tia on February 7, 2010 -
Science
What must happen to the electrons in a material to create an electric current?
asked by Annie on November 12, 2015 -
Science
Can u please explain how u say 1M is equal to 6.02e23.,, What is the number 6.02e 23 electrons.
asked by Immanuel on July 10, 2017 -
Science
Compared to the number of protons how many electrons does the carbonate ion have
asked by Blah on November 10, 2010 -
Science
What laboratory instrument utilized the wave nature of electrons?
asked by Katie on November 13, 2015 -
Chemistry
Which two elements is the second transition series (y through Cd) have four unpaired electrons in their 3+ ions?
asked by Sarah on May 7, 2013 -
chemistry
What mass of protons would be required to just neutralize the charge of 1.1 g of electrons?
asked by jenny on September 14, 2015 -
science
Aluminium - electrons in outer level = 3 what is the charge on the Ion
asked by sam on November 30, 2007 -
APChemistry
Thank you very much~ When you do the VSEPR changes for an octahedral, do you first remove the electrons from the poles, or from the equator?
asked by GRATEFUL AP CHEMISTRY STUDENT on May 11, 2010