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20 questions
What is a positive ion called?
anion
cation
isotope
covalent
What is a negative ion called?
anion
cation
covalent
isotope
How many electrons would a Nitrogen ion gain/lose? If it has 5 valence electrons.
lose 5
gain 5
lose 3
gain 3
What is the ion formed from Sulfur? If it has 6 valence electrons.
S+2
S-2
S+6
S-6
How many electrons would a Calcium ion gain/lose? If it has 2 valence electrons.
lose 1
gain 1
lose 2
gain 2
If an atom loses electrons, the charge will be positive.
true
false
A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?
Br-1
Br+1
Br+7
Br-7
An atom with 2 protons, 3 neutrons, and 4 electrons has a charge of ____.
+2
-2
+3
0
If an element has 3 valence electrons, what charge will likely form on its ion ?
+3
+5
-3
-5
Na has 1 valence electron. It will have a charge of _______
+1
+2
-1
-2
Be has 2 valence electron. It will have a charge of _______
+1
+2
-1
-2
Ca has 2 valence electron. It will have a charge of _______
+1
+2
-1
-2
Al has 3 valence electron. It will have a charge of _______
+3
-3
+2
-2
P has 5 valence electron. It will have a charge of _______
+3
-3
+2
-2
S has 6 valence electron. It will have a charge of _______
-2
-1
+1
+2
Iodine has 7 valence electron. It will have a charge of _______
-2
-1
+1
+2
F has 7 valence electron. It will have a charge of _______
-2
-1
+1
+2
Oxygen has 6 valence electron. It will have a charge of _______.
+1
-1
+2
-2
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