Chemistry Practice Test

2 non-metals

A covalent bond is usually between _______________.

a metal and a non-metal

An ionic bond is usually between _______________.

metals

Families 3-12

alkali metals

Family 1

Boron

Family 13

Carbon

Family 14

Nitrogen

Family 15

Oxygen

Family 16

Halogen

Family 17

Noble gases

Family 18

alkaline earth metals

Family 2

carbon dioxide

Give an example of a compound?

noble gases

What family of elements will never be ions?

Atomic Theory

What is the current theory of the atom called?

endothermic takes in energy (ice melting) and exothermic gives off heat (match lighting)

What is the difference between exothermic and endothermic reactions?

nucleus

What part of an atom has the most mass?

electron cloud

What part of an atom takes up the most space?

aluminum

Which element is along the zig-zag line but is not a metalloid?

has no neutrons

Why is Hydrogen different from all other elements?