Foundations of Chemistry

What is matter?

• anything that has mass and takes up space
• a substance that consists of one type of atom
• a small particle that is a building block 
• the amount of mass per unit volume

Tags

NGSS.MS-PS1-5

Which of the following is NOT made of matter?

• you
• your phone
• light
• backpack

Which of the following has a positive charge?

• proton
• neutron
• electron

A chemical formula is a combination of symbols and numbers that represent a compound.

• True
• False

Two samples of the same mixture can contain different amounts of the same substances.

• True
• False

Oxygen is an example of 

• an element.
• a compound.
• a substance.
• a mixture.

Which of the following is an example of a compound?

• sugar
• hydrogen
• boron
• apple juice

Solutes dissolve in solvents.

• True
• False

Which of the following is an example of a size-dependent physical property?

• volume
• state of matter
• conductivity
• boiling point

The melting point refers to

• the point at which a liquid turns into a gas.
• the point at which a solid turns into a liquid.
• a substances ability to conduct thermal electricity.
• the amount of space something takes up.

Tags

NGSS.MS-PS1-4