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