unit 3 review

Which of the following is an ELEMENT?

• OH

• Pt

• NH3

• HCl

High Luster, Malleable, Ductile, Good Conductor

• Metal

• NonMetal

• Metalloid

What is the formula to find Density?

• d = m x v

• d = v + m

• d = m / v

• d = v / m

An unknown substance has a mass of 400g and a volume of 200mL.

Which of the following substances has a density that would match the unknown substance?

• A

  Density = 800g/mL

• B

  Density = 20g/mL

• C

  Density = 600g/mL

• D

  Density = 2g/mL

Color Change, Heat Production, Bubbles and Gas, Oder

These all indicate

• a bad experiment

• A chemical change

• a phyical change

• a successful experiment

Tags

NGSS.MS-PS1-2

Which of the following is a COMPOUND?

• Cl

• H

• NACl

• Tb

Tags

NGSS.MS-PS1-1

Physical or Chemical Change

Rust

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Physical or Chemical Change

Ice Melting

• Chemical Change

• Physical Change

An unknown substance has a volume of 300mL and a density of 3g/mL.

What would be the mass of the substance?

• A

  Mass = 900g

• B

  Mass = 100g

• C

  Mass = 600g

• D

  Mass = 300g

Physical or Chemical Change

Water boiling

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4