classification of matter

____ are made from only one type of atom.

Compounds are created when 2 or more ____ chemically combine.

Tags

NGSS.MS-PS1-1

What type of matter can ONLY be separated by chemical means?

• Element

• Mixture

• Compound

• Atom

What type of matter cannot be separated by any means?

• Element

• Mixture

• Compound

Check all examples that are heterogeneous mixtures.

• Saltwater

• Pepperoni pizza

• Chopped salad

• Air

Check all examples that are homogeneous mixtures.

• Milk

• Tea

• Chicken noodle soup

• Air

Which of these are compounds?

• Water (H₂O)

• Table salt (NaCl)

• Oxygen (O₂)

• Glucose (C₆H₁₂O₆)

Tags

NGSS.MS-PS1-1

What is the smallest unit of an element that retains the chemical properties of that element?

• Electron

• Neutron

• Molecule

• Atom

Tags

NGSS.MS-PS1-1

Which substance is composed of only one type of atom?

• Water (H₂O)

• Table salt (NaCl)

• Gold (Au)

• Glucose (C₆H₁₂O₆)

Tags

NGSS.MS-PS1-1

Which of these samples shown best represents an mixture?

• A

• B

• C

• D