Molecules, Atoms, Compounds, Elements

The smallest particle of an element is a(n) __________.

• Element

• Atom

• Compound

• Proton

Which statement is true about atoms and molecules?

• Molecules and atoms attract each other.

• Atoms and molecules repel each other.

• Atoms may combine to form molecules.

• Molecules may combine to form atoms.

Tags

NGSS.MS-PS1-1

How is a molecule different from an atom?

• A molecule is smaller than an atom.

• An atom is not at all related to a molecule.

• A molecule is a group of the same kind of atoms.

• A molecule has 2 or more atoms bonded together.

Tags

NGSS.MS-PS1-1

Explain why all compounds are molecules, but not all molecules are compounds.

Tags

NGSS.MS-PS1-1

A substance that is made up of two or more different element is called a(n) _________.

• Compound

• Molecule

• Atom

Tags

NGSS.MS-PS1-1

Select all that are compounds.

• Water

• Gold

• Table Salt

• Chicken Noodle Soup

• Rocky Road Ice Cream

Tags

NGSS.MS-PS1-1

Of the following, ____________ is NOT a compound.

• Sodium Chloride

• Water

• Oxygen

• Sodium Chloride

Tags

NGSS.MS-PS1-1

True or False:

In a compound, the components are always combined in definite proportions.

• True

• False

Tags

NGSS.MS-PS1-5

Which of the following choice sequences that parts of matter from smallest to largest.

• Element -> Compound -> Atom

• Element -> Atom -> Compound

• Atom -> Compound -> Element

• Atom -> Element -> Compound

Tags

NGSS.MS-PS1-1

The smallest unit of an element that maintains the properties of that element is a(N) ___________________.

Tags

NGSS.MS-PS1-1