7th Unit 1 Review - Matter

Check mark if the statement describes an element, compound, or both: Made of atoms.

Groups:

(a) Element

,

(b) Compound

,

(c) Both

• Made of atoms

• Can bond together to form molecule

• CO

• 
• NaOH

• 
• H₂O

• 
• 1. Made of one type of atom

• Co

• 
• Made of two or more different atoms bonded together

• 

Tags

NGSS.MS-PS1-1

List the elements and count the number of atoms in the chemical formula C₆H₁₂O₆.

• Carbon: 6

  Hydrogen: 12

  Oxygen: 6

• Carbon: 12

  Hydrogen: 6

  Oxygen: 6

• Carbon: 6

  Hydrogen: 6

  Oxygen: 12

• Carbon: 12

  Hydrogen: 12

  Oxygen: 6

Tags

NGSS.MS-PS1-1

List the elements and count the number of atoms in the chemical formula

HC₂H₃O₂

• Hydrogen: 4

  Carbon: 2

  Oxygen: 2

• Hydrogen: 1

  Carbon: 2

  Oxygen: 2

• Hydrogen: 3

  Carbon: 2

  Oxygen: 2

• Hydrogen: 2

  Carbon: 2

  Oxygen: 2

Tags

NGSS.MS-PS1-1

List the elements and count the number of atoms in the chemical formula Fe(OH)₂

• Iron: 1

  Oxygen: 1

  Hydrogen: 2

• Iron: 2

  Oxygen: 2

  Hydrogen: 2

• Iron: 1

  Oxygen: 2

  Hydrogen: 2

• Iron: 1

  Oxygen: 2

  Hydrogen: 1

Tags

NGSS.MS-PS1-1

List the elements and count the number of atoms in the chemical formula

C₃H₅(OH)₃

• Carbon: 3

  Hydrogen: 3

  Oxygen: 3

• Carbon: 3

  Hydrogen: 5

  OH: 3

• Carbon: 3

  Hydrogen: 8

  Oxygen: 3

Tags

NGSS.MS-PS1-1

Sort each statement as either a chemical or a physical change.

Groups:

(a) Chemical Change

,

(b) Physical Change

• Glass breaking

• Baking a cake

• Lighting a match

• Digesting food

• Cracking eggs

• Boiling water

• Ice melting

• Mowing the lawn

• Toasting bread

• Fireworks

• Slicing bread

• Frying an egg

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Choose all of the following that would be evidence of a chemical change.

• Formation of a gas or precipitate

• Change in size, breaking, freezing.

• Unexpected color or temperature change

• Boiling, dissolving and melting

• New substances formed and odor changes

Tags

NGSS.MS-PS1-2

What is a solution?

• A homogeneous mixture of two or more substances.

• A pure element found in nature.

• A type of chemical reaction.

• A solid formed from two metals.

What is a solvent?

• The substance in which the solute dissolves to form a solution.

• The substance that is dissolved in a solution.

• A type of chemical reaction.

• A solid formed from a solution.

What is a solute?

• The substance that is dissolved in a solution.

• The substance that does the dissolving in a solution.

• A type of solvent.

• A mixture of two liquids.