atoms, elements, molecules and compounds vocabulary

What is the tiniest representative particle of matter within the entire universe?

• cells

• gases

• atoms

• liquids

Tags

NGSS.MS-PS1-1

Which of the following is an example of a heterogeneous mixture?

• Pure gold

• Salad

• Air

• Salt water

The phrase "blended so well you just cannot tell" refers to which type of mixture

• heterogeneous

• homogeneous

• compound

• element

Water (H₂O) is classified as which of the following?

• Mixture

• Solution

• Compound

• Element

Tags

NGSS.MS-PS1-1

Are these molecules also compounds?

• YES

• NO

Tags

NGSS.MS-PS1-1

Which statement best describes a compound?

• It contains only one type of atom.

• It can be separated by physical means.

• It is formed when two or more elements combine chemically.

• It is always a solid at room temperature.

Which vocabulary combination represents substances that are pure?

• elements & mixtures

• compounds & elements

• mixtures & compounds

• solutions & elements

TRUE OR FALSE:

Every compound is a molecule and every molecule is a compound.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-1

What is the term used for the substances that are formed when 2 or more atoms from differing elements come together?

• atoms

• elements

• molecules

• compounds

Tags

NGSS.MS-PS1-1

Grape juice is classified as a ....

• Element

• Compound

• Heterogenous mixture

• Homogeneous mixture (solution)