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Atomic Structure
Page 8
Questions (4,300)
one way the modern atomic model differs from the bohr model of an atom
2 answers
asked by
Haylie
614 views
diagram all possible pathways for deexciting from n=4 to n=1
3 answers
asked by
David
452 views
Which statement best describes the arrangement of electrons in an atom of fluorine (F)?
(1 point) Responses There are two
2 answers
asked anonymously
256 views
What determines an atom’s identity?(1 point)
Responses the valence number the valence number the number of electrons the number
13 answers
asked by
anoy
146 views
A model of a atom shows eight electrons in rings that represent different energy levels how many electrons are in each energy
3 answers
asked by
Amy
347 views
Use the simulation to answer the question.
Build an Atom On the home screen, select “Atom.” Using as many electrons,
2 answers
asked anonymously
86 views
A model of an atom shows eight electrons in rings that represent different energy levels. How many electrons are in each energy
10 answers
asked anonymously
169 views
What is the significance of carbon having four valence electrons?(1 point)
Responses The outermost shell can only bond with
2 answers
asked by
sweeper
165 views
Can you explain what the pseudo-gas configuration is? I have the definition but I still don't understand.
I have the example..
2 answers
asked by
Sami
940 views
The atomic radii of Mg2+ and F-1 ions are 0.072 and 0.133 nm, respectively. (a) Calculate the force of attraction between these
3 answers
asked by
Eflatun
1,613 views
How many electrons can have the quantum numbers n=4; l=2; ml=2 in an atom?
3 answers
asked by
Monika
846 views
How many Al atoms thick is the aluminum foil if it is 0.00157cm thick.
1 Al atom = 286pm Convert pm to m 286pm = 2.86*10^-10m
4 answers
asked by
John
4,375 views
Where do you find the atoms with the largest atomic radius on the periodic table?(1 point)
Responses the bottom left corner the
2 answers
asked by
blu
105 views
An electron drops from the fourth energy level, in an atom to the third level and then to the first level. Two frequencies of
1 answer
asked by
Jarrad Schomaker
850 views
Why is carbon said to provide a “backbone” in many molecules?(1 point)
Carbon atoms have full shells of electrons, allowing
4 answers
asked by
Mark
791 views
One reason carbon monoxide (CO) is toxic in that it bind to the blood protein hemoglobin more
strongly than oxygen does. The
2 answers
asked by
Johannie
543 views
The radius of a hydrogen atom is 0.0000000529177 of a millimeter. Express this number as an approximation.(1 point)
Responses
28 answers
asked by
Anonymus
328 views
1. The mass number of an atom is obtained by totaling the number of_____and____.
a. electrons and protons b. electron and
17 answers
asked by
Ember Lovet
1,998 views
Potassium’s atomic number is 19, and its atomic mass is approximately 39. How many neutrons does potassium have?(1 point)
Respo
2 answers
asked anonymously
90 views
what is an atom
4 answers
asked by
h
368 views
Which statement correctly compares the number of protons and electrons in atoms of rubidium (Rb) and calcium (Ca)?
(1 point)
2 answers
asked anonymously
187 views
The volume of a single niobium atom is 9.46E-24 cm3. What is the volume of a niobium atom in microliters?
5 answers
asked by
love
2,748 views
Check answers?
1) Why did J.J. Thomson reason that electrons must be a part of the atoms of all elements? A) Cathode rays are
2 answers
asked by
Mary
812 views
How many core electrons are there in a ground state phosphorus atom?
4 answers
asked by
Ena
1,466 views
Indium has two naturally occurring isotopes and an atomic mass of 114.818 amu. In- 113 has a mass of 112.904 amu and an
4 answers
asked by
Jennifer
3,880 views
how many electrons are found in the electron cloud of an atom whose K,L and M shells are full?
3 answers
asked by
Anonymous
546 views
CHECK MY ANSWERS!!!!!!!
1) Cobalt has a mass number of 59 and an atomic number of 27. A student wants to create a model of a
30 answers
asked by
need help AsAp!!
6,692 views
which of the following molecules shows two atoms of hydrogen (H)?
4 answers
asked by
Anonymous
378 views
Which change is likely to happen to an atom of the element strontium (Sr) during bonding?
It will give up electrons, forming a
5 answers
asked by
Fa11enAnge106
2,213 views
The volume of an atom is determined by the size of its electron ______ (5 letters).
My answer: shell
5 answers
asked by
TigerLily
1,784 views
identify the mass number and atomic number of a chlorine atom that has 17 protons and 18 neutrons?
5 answers
asked by
monek
4,159 views
Elemental chlorine exists as a diatomic molecule Cl2.
Chlorine atoms exist in two different isotopes 35Cl and 37Cl. In the mass
4 answers
asked by
Anonymous
1,374 views
Here is the problem
A typical atom has a diameter of about 1.0 X 10^-10m. What it is in inches? How many atoms are there along a
3 answers
asked by
ZneedHeLP
2,219 views
What element has 7 Valence Electron and 3 energy levels?
4 answers
asked by
ineedhelp
2,864 views
what mass of protons would be required to just neutralize the charge of 1.0g of electrons?
how do I answer this? You know the
5 answers
asked by
Chris
7,028 views
if an atom has 17 electrons and its mass number is 35, calculate the following: number of protons, atomic number, and number of
4 answers
asked by
Sam
3,664 views
If a oxygen ion has 8 proton and 6 electrons what is the charg coulombs
4 answers
asked by
Lizwi
1,507 views
How many total atoms in (NH4)2cro4
4 answers
asked by
Telayvion
3,026 views
Each water molecule is made up of two hydrogen atoms and one _______ atom.
4 answers
asked by
Olivia
1,728 views
Alpha particle tracks through gases and thin metal foils show few deflections. What does this tell us about the atom?
4 answers
asked by
Martin
1,848 views
Describe why atoms of bromine, Br, are so reactive. To which family does bromine belong.
4 answers
asked by
Jameisha
1,903 views
An electron in a certain atom is in the n = 2 quantum level. List the possible
values of (cursive L). And for each value of
4 answers
asked by
John
3,177 views
What is the atomic number of oxygen?
41 answers
asked by
?
51 views
Which element would have a full outer shell of electrons if it gained three electrons?
boron lithium nitrogen argon THIS ONE
7 answers
asked by
ENNA
4,758 views
1. An atom has 3 protons, 4 neutrons, and 3 electrons. Use the periodic table to determine which atom would have similar
7 answers
asked by
Naruto's Ramen
7,080 views
a) How many moles of atoms are in 7.00 g of 13C?
Answer "0.538" mol 13C b) Based on your answer in Part A, calculate the number
5 answers
asked by
katie
11,832 views
Identify the neutral element represented by this excited-state electron configuration, then write the ground-state electron
5 answers
asked by
Kim
16,388 views
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a
6 answers
asked by
Anonymous
24,867 views
iridium has two isotopes. with mass numbers 191 and 193, and its average relative atomic mass is 192.23.calculate the relative
5 answers
asked by
daanyaal
9,861 views
According to the quantum-mechanical model for the hydrogen atom, which of the following transitions would produce light with
4 answers
asked by
Sue
12,826 views
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