Unit 3 Structure and Matter Review

What is an atom?

• A basic building block of matter; made of subatomic particles

• A basic substance that cannot be simplified

• Two or more atoms chemically joined together

• Two or more different atoms chemically joined together

Tags

NGSS.MS-PS1-1

What is an element?

• A basic building block of matter; made of subatomic particles

• A basic substance that cannot be simplified

• Two or more atoms chemically joined together

• Two or more different atoms chemically joined together

What is a molecule?

• A basic building block of matter; made of subatomic particles

• A basic substance that cannot be simplified

• Two or more atoms chemically joined together

• Two or more different atoms chemically joined together

Tags

NGSS.MS-PS1-1

What is a compound?

• A basic building block of matter; made of subatomic particles

• A basic substance that cannot be simplified

• Two or more atoms chemically joined together

• Two or more different atoms chemically joined together

What is a subatomic particle with a positive charge found in the nucleus?

• Electron

• Neutron

• Proton

• Matter

Which subatomic particle has a negative charge and is found in energy levels outside the nucleus?

• Proton

• Neutron

• Electron

• Matter

What is a subatomic particle with no charge found in the nucleus?

• Electron

• Neutron

• Proton

• Matter

What is anything that has mass and takes up space?

• Proton

• Neutron

• Electron

• Matter

What is the center of the atom that contains the protons and neutrons?

• Electron cloud

• Nucleus

• Valence shell

• Ion

What do the rows on the periodic table represent?

• Groups

• Nucleus

• Periods

• Ions