Educake Homework Flashcards
(4 cards)
1
Q
How many electrons are in the outer electron shell of every element in group 1?
A
1
2
Q
Oxygen has six electrons in its outer shell. What is the charge on an oxide ion?
A
-2
3
Q
True or false? Ionic compounds are usually a combination of a metal and a non-metal
A
True
4
Q
Calcium has the symbol Ca and its ions have a charge of +2. Chlorine has the symbol Cl and its ions have a charge of -1. In the ionic compound calcium chloride, how many chloride ions are there for each calcium ion?
A
2
