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- 1. Multiple Choice
An atom has 10 protons in its nucleus. how many electrons does the atom have?
10
11
12
13
- 2. Multiple Choice
X atom has 12 protons. what is the electron arrangement of atom X?
2.8
2.8.8
2.8.2
2.10
- 3. Multiple Choice
Y atom has 13 protons in its nucleus. How many valence electrons does Y atom have?
13
3
10
8
- 4. Multiple Choice
D atom have 12 protons. Which group and period does element D belong to in periodic table?
Group 12, Period 3
Group 2, Period 3
Group 12, Period 13
Group 2, Period 13
- 5. Multiple Choice
C atom has 17 protons. Which group and period does element C belong to in the periodic table?
Group 7, Period 3
Group 7, Period 13
Group 17, Period 3
Group 17, Period 13
- 6. Multiple Choice
E2+ has an electron arrangement of 2.8. how many proton does E2+ have?
10
8
12
2
- 7. Multiple Choice
F3- has an electron arrangement of 2.8.8. How many protons does F3- have?
15
18
8
10
- 8. Multiple Choice
the electron arrangement of G2+ is 2.8.8. Select the correct group and period of element G
Group 18
Group 2
Period 3
Period 4
- 9. Multiple Choice
the electron arrangement of J2- is 2.8. Select the correct group and period of element J
Group 18
Group 16
Period 2
Period 3
- 10. Multiple Choice
what is the electron arrangement of atom N?
2.
2.8
2.5
2.8.8
- 11. Multiple Choice
What is the group and the period of this element?
Group 1
Group 18
Period 2
Period 3
- 12. Multiple Choice
an atom has the electron arrangement of 2.8.7. it also has 16 neutrons in its nucleus. what is the nucleon number of this atom?
17
16
33
32
- 13. Multiple Choice
the electron arrangement of O is 2.6. what is the proton number of O?
6
2
8
10
- 14. Multiple Choice
the electron arrangement of Z atom is 2.8.8.1. its nucleon number is 38. will Z atom be radioactive?
Yes
No
- 15. Multiple Choice
the electron arrangement of L3+ is 2.8. its nucleon number is 24. how many neutrons are there in the nucleus of L3+?
10
11
12
13
- 16. Multiple Choice
which atom is from the same group as an atom with proton number of 11?
p = 3
p = 4
p = 5
p = 6
- 17. Multiple Choice
which element is from the period as X2+ (e = 10)
Y ( e = 10)
E- (e = 18)
T+ (e = 18)
R2+ (e = 18)
- 18. Multiple Choice
the electron arrangement of X2+ is 2.8.8. what is the proton number of X?
18
16
20
8
- 19. Multiple Choice
which electron arrangement that represents the element from Group 13 and Period 3?
2.8.13
2.8.8
2.8.3
2.13
- 20. Multiple Choice
Sodium-23 has 12 neutron in its nucleus. What is the electron arrangement of Na atom?
2.8.2
2.8.1
2.1
2.2
- 21. Multiple Choice
Sodium-23 has 12 neutron in its nucleus. What is the electron arrangement of Na atom?
2.8.2
2.8.1
2.1
2.2
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