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Elements
Page 6
Questions (1,501)
For the metal elements, whats the connection between the ion charge and the # of electrons in the outershell?
I wrote: The ion
5 answers
asked by
Sara
1,062 views
Why is Hydrogen (H) different from other elements in group 1 (alkali metals)?
(1 point) Responses [It is the most reactive
17 answers
asked by
Thefinalgirl
164 views
What quality do all of the elements in group 18, the noble gases, share?(1 point)
Responses They all have a full outer valence
11 answers
asked by
Thefinalgirl
78 views
The atomic number of an element is represented by the number of ___________?
2 answers
asked anonymously
63 views
Which two groups of elements in the periodic table are the most reactive?(1 point)
alkaline earth metals and halogens halogens
10 answers
asked by
Lettuce?
98 views
Potassium and nickel are in the same row of the periodic table. What do these elements have in common?
• They have similar
3 answers
asked by
one
345 views
“Green” material has high amounts of (1 point)
phosphorus. magnesium. nitrogen. carbon.
3 answers
asked by
I_do_study
252 views
Which of the following is the least electronegative element in the periodic table?
a. calchogens b. alkali earth metal c. alkali
4 answers
asked by
Abubakar Osemu Abdulrahman
94 views
Which halogens in solid is at room temperature between chlorine and iodine
3 answers
asked by
Rachael
80 views
which is a silvery white solid
A. Aluminum metal B. Alumina
3 answers
asked by
J.J Powell
89 views
I am not really an alkali metal, but since I have
only 1 electron I behave like them. What element am i?
3 answers
asked anonymously
85 views
what is the color of lithium when it burns in air?
what is the color of lithium when it burns in oxygen?
3 answers
asked anonymously
80 views
Which element in the table below is most likely classified
as a metalloid? A. Titanium B. Selenium C. Potassium D. Polonium
3 answers
asked anonymously
62 views
Whats my chakra nature earth, fire, water, lightning, wind
3 answers
asked by
Answers Forever
118 views
Match each part of the box with what it tells you about the element 6c 12.011 column a atomic mass atomic number symbol name of
3 answers
asked by
Amy
94 views
What conclusion can be drawn about the number of elements that make up most of the world in which we live compared to the total
5 answers
asked by
nothing important
460 views
1. Mercury is never found in electronics, thermostats, or compact fluorescent lights.
True False***
4 answers
asked by
Connexus
457 views
Cobalt (Co) has an atomic mass of 59 and an atomic number of 27. Which statement correctly describes an atom of cobalt?
2 answers
asked by
Anonymous
1,023 views
what element is most lustrous
3 answers
asked by
Anonymous
773 views
Antimony, Sb, has atomic number 51.
a)WHICH PERIOD AND BLOCK IS ANTIMONY FOUND? is it period 6 block 13??? b)DIFFERENT ISOTOPES
5 answers
asked by
0oooooooo0
851 views
Ytterbium, atomic number 70, is the first element in the Periodic table to have the first four shells full.
a) State the number
3 answers
asked by
0oooooooo0
1,136 views
When the element A is burned in an excess of oxygen, the oxide A2O3(s) is formed. 0.5386 g of element A is treated with oxygen
3 answers
asked by
Taylor Valerie
826 views
Which key difference between carbon and silicon makes carbon better suited to forming molecules for living things?
Carbon has the
3 answers
asked anonymously
65 views
create a lesson notes on metals and nonmetals
3 answers
asked anonymously
26 views
Which elements have the greatest tendency to act as reducing agents?
metals nonmetals noble gases halogens
3 answers
asked by
M, S, E
1,289 views
Ryan wants to identify an element. Which piece of information would best help Ryan identify the element?
4 answers
asked by
Claire
830 views
For which element is the gaining of an electron most exothermic?
a)Li b)N c)F d)B *explain
3 answers
asked by
Mark
2,726 views
PLEASE HELP!
Two samples of sodium chloride were decomposed into their constituent elements. One sample produced 1.78 g of sodium
4 answers
asked by
Diana
786 views
A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with
4 answers
asked by
M
1,348 views
What is true about the element francium(Fr,atomic number 87)? Choose all that apply.
a. it has 7 valence electrons b. it is
2 answers
asked by
Anonymous
884 views
Potassium metal, K, is more reactive than sodium, Na. Calcium, Ca, is less reactive than
sodium. The comparative reactivity of
4 answers
asked by
Heather
1,248 views
Two new metallic elements have been discovered, Cimium (Ci) and Sadowium (Sd). Both the pure elements and their solutions form
3 answers
asked by
youlifex
470 views
Two new metallic elements have been discovered, Cimium (Ci) and Sadowium (Sd). Both the pure elements and their solutions form
6 answers
asked by
Harold
798 views
Which element is located in the family represented by ns²np³?
A) Ti B) Se C) AS D) I E) Sb
3 answers
asked by
Peter
440 views
Why are sodium(Na) and potassium(K) in the same group on the periodic table?
They have similar reactivity. They are both
11 answers
asked by
ETHAN REYES
132 views
A copper pan is made by a person. Is the pan synthetic?
No, it is not synthetic because copper is not recyclable. No, it is not
3 answers
asked by
help
182 views
Which element has the same number of valence electrons as bromine (Br)?
(1 point) Responses selenium (Se) selenium (Se) chlorine
5 answers
asked by
Lettuce?
103 views
Elijah wants to import an image to use as his background. Which of the following elements in the Tupi interface would MOST
3 answers
asked anonymously
123 views
Which element has the same number of valence electrons as bromine (Br) ?
A. selenium (Se) B. chlorine (Cl) C. potassium (K) D.
29 answers
asked by
GhostGirl
246 views
Which element is a noble gas?
(1 point) Responses radon (Rn) radon (Rn) rubidium (Rb) rubidium (Rb) hydrogen (H) hydrogen (H)
5 answers
asked anonymously
36 views
Which of the following substances is an element? (1 point)
insulin O protein O hydrogen O salt
3 answers
asked anonymously
37 views
Which property do transition metals have in common?(1 point)
Responses They are usually very soft. They are usually very soft.
10 answers
asked anonymously
61 views
Which two groups of elements in the periodic table are the most reactive?(1 point) Responses noble gases and alkali metals noble
3 answers
asked by
Susssssssssssss
70 views
What is the definition of an element?
Group of answer choices The smallest piece of matter that cannot be separated chemically or
3 answers
asked anonymously
40 views
What is the atomic number of carbon?
3 answers
asked by
Jo
16 views
What is the chemical symbol for sodium?
3 answers
asked by
Jo
26 views
What is the first element of the information processing cycle? Choose the answer.
Question 9 options: output processing storage
3 answers
asked anonymously
47 views
Element Be:
What is it's name? What is its atomic number? What is its atomic mass? How many protons does it have? How many
3 answers
asked anonymously
39 views
Element Cs:
What is it's name? What is its atomic number? What is its atomic mass? How many protons does it have? How many
3 answers
asked anonymously
40 views
Ahmed wrote a science report about elements called halogens. Instead of writing a whole paragraph about the elements’ boiling
13 answers
asked by
KAMIKA
87 views
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