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1. Which element has three times as many protons in its nucleus than are found in Carbon?
A
Flourine (F)
B
Argon (Ar)
C
Potassium (K)
2. Which element has four times as many protons in its nucleus than are found in Neon?
A
Zirconium (Zr)
B
Silicon (Si)
C
Mercury (Hg)
3. How many neutrons are in this atom?
A
14
B
8
C
7
4. How many neutrons are in this atom?
A
20
B
19
C
39
5. Classify the type of element Nitrogen (N) falls under.
A
Metal
B
Nonmetal
C
Metalloid
6. Classify the type of element Potassium (K) falls under.
A
Metal
B
Nonmetal
C
Metalloid
7. How many valence electrons does Nitrogen (N) have?
A
3
B
5
C
7
8. How many valence electrons does Potassium (K) have?
A
1
B
3
C
5
9. Which element is located at Group 2 Period 4?
A
Calcium (Ca)
B
Magnesium (Mg)
C
Potassium (K)
10. Which element is located at Group 13 Period 5?
A
Yttrium (Y)
B
Gallium (Ga)
C
Indium (In)
11. Which element is located at Group 17 Period 4?
A
Chlorine (Cl)
B
Bromine (Br)
C
Iodine (I)
12. How many protons are in Chlorine (Cl)?
A
17
B
18
C
35
13. If you had a neutral Chlorine (Cl) atom, how many electrons would be in the atom?
A
17
B
18
C
35
14. Atomic mass is . . .
A
number of protons + electrons in an atom
B
number of protons + neutrons in an atom
C
number of protons in an atom
15. Atomic number is . . .
A
number of protons + electrons in an atom
B
number of protons + neutrons in an atom
C
number of protons in an atom