Midterm Review

What charge does fluroine form?

• 7

• -1

• +1

• 9

How many valence electrons does nitrogen have?

• 5

• 3

• 7

• 14

How many protons does helium have?

• 8

• 0

• 4

• 2

How many neutrons does beryllium have?

• 4

• 5

• 9

• 2

Is OH an element, compound or mixture?

• element

• compound

• mixture

Which state of matter has the weakest particle attraction?

• solid

• liquid

• gas

Which state of matter is the most common in the universe?

• solid

• liquid

• gas

• plasma

Which state of matter has volume but takes the shape of its container?

• solid

• liquid

• gas

• plasma

Which state of matter is the most dense?

• solid

• liquid

• gas

• plasma

The change from a solid to a liquid

• melting

• boiling

• evaporation

• condensation

• sublimation