Chemistry Test

Which of the following describe metals? (the rest describe non-metals)

There are _______ periods on the periodic table.

There are _____ families on the periodic table.

Magnesium

Most gases are _______.

Metals

Metalloids

Nonmetals

Metalloids are on the ________.

Protons, neutrons, and electrons are . . . . . . .

NaCl

N (choose all correct answers)

Neutrons + protons=

Atomic mass-atomic number=

Positive

Negative

Neutral

Easily broken

NOT easily broken

Light is made of matter

Air is made of matter

Sound is made of matter

_________ and ____________ are located in the nucleus.