Flashcards in Chemistry Deck (12)
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1
What is an ion?
An ion is an atom with a different amount of electrons than protons.
2
What is an ionic bond?
When an atom gives an electron to another atom so both atoms can have full outer shells.
3
What is a covalent bond?
When two or more atoms share their electrons so both atoms can have full outer shells.
4
What is the change from liquid to solid called?
Freezing.
5
What is the change from gas to liquid called?
Condensation.
6
What is the change from solid to liquid called?
Melting.
7
What is the change from liquid to gas called?
Boiling.
8
What is the change from solid to gas called?
Sublimation.
9
The elements in group 1 in the periodic table all form ions with a charge of ___
1+
10
The elements in group 2 in the periodic table all form ions with a charge of ___
2+
11
The elements in group 7 in the periodic table all form ions with a charge of ___
1-
12
