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- 1. Multiple Choice
What happened to the atom that has this symbol: S2-
It has gained 2 extra protons
It has gained 2 extra electrons
It has lost 2 protons
It has lost 2 electrons
- 2. Multiple Choice
If an ion has 13 protons and 10 electrons, what is the charge on the ion?
positive 3
negative 3
10
13
- 3. Multiple Choice
If an ion has 34 protons and 36 electrons, what is the charge on the ion?
positive 2
negative 2
34
36
- 4. Multiple Choice
If an ion has 35 protons and 36 electrons, what is the charge on the ion?
1+
1-
35
36
- 5. Multiple Choice
Give the ion symbol for the ion that has 15 protons and 18 electrons.
P3-
P3+
P15
P18
- 6. Multiple Choice
If a -1 ion has 10 electrons, what element is it?
Neon (Ne)
Sodium (Na)
Fluorine (F)
Oxygen (O)
- 7. Multiple Choice
If a -2 ion has 34 protons, what element is it?
Germanium (Ge)
Selenium (Se)
Krypton (Kr)
Chlorine (Cl)
- 8. Multiple Choice
Complete the ion symbol for the atom below. (Blue dots represent protons)
Li+
Li-
Be2+
Be2-
- 9. Multiple Choice
Complete the ion symbol for the atom below. (Blue dots represent protons)
O2-
O2+
F+
F-
- 10. Multiple Choice
How many protons would be found in the ion whose symbol is O2- ?
8
16
10
6
- 11. Multiple Choice
If an ion has 26 protons and 24 electrons, what is the charge of the ion?
26
24
2+
2-
- 12. Multiple Choice
Choose each particle that has a positive charge.
Protons
Neutrons
Electrons
None of the above
- 13. Multiple Choice
How many electrons would be found in the ion whose symbol is N3- ?
10
7
4
3
- 14. Multiple Choice
If a +1 ion has 29 protons, what element is it?
Silicon (Si)
Nickle (Ni)
Copper (Cu)
Zinc (Zn)
- 15. Multiple Choice
Give the ion symbol for the ion that has 27 protons and 24 electrons.
Co3+
Co3-
Cr3+
Cr3-
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