Unit 1 Chemistry Test

How many of the following substances are elements?

S N2O4 Fe O2 LiF Sr Al

• 2

• 4

• 5

• 7

Tags

NGSS.MS-PS1-1

Which of the following is NOT a compound?

HCl NaCl Cl CO2

• HCl

• NaCl

• Cl

• CO2

Tags

NGSS.MS-PS1-1

What are two or more different types of atoms bonded together?

• Atom

• Compound

• Element

• Molecule

Tags

NGSS.MS-PS1-1

What is anything that has mass and takes up space called?

• Matter

• Atom

• Element

• Compound

Which state of matter are the atoms sliding over one another?

• Solid

• Liquid

• Gas

• Plasma

What is the chemical symbol for Hydrogen?

Which state of matter are the atoms tightly packed together in a fixed position?

• Plasma

• Gas

• Liquid

• Solid

What are the materials that do NOT occur in nature, but are instead made from natural resources that undergo a chemical change?

• Synthetic Materials

• Natural Resources

• Renewable Resources

• Nonrenewable Resources

Tags

NGSS.MS-PS1-3

Which of the following do water (H2O), rust (Fe2O3), and salt (NaCl) have in common?

• Water, rust and salt are atoms.

• Water, rust and salt are mixtures.

• Water, rust and salt are elements.

• Water, rust and salt are compounds.

Tags

NGSS.MS-PS1-1

Below are four ball-and-stick models representing compounds. Which of these models best represents ammonia (NH3)?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1