An element consists of how many types of atoms?

• None

• 1

• More than 2

• It depends on the element

An example of an element on the periodic table is

• Water

• CO2

• Carbon

• NaCl

In a molecule, how many atoms bond together?

• None

• 1

• 2 or more

Tags

NGSS.MS-PS1-1

O2 is an example of a

• Element

• Molecule

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

Compounds are formed when

• Atoms break apart

• One atom exists

• 2 or more atoms bond together

• More than two atoms combine

Tags

NGSS.MS-PS1-1

Mixtures can contain which of the following?

• Elements

• Compounds

• Both elements and compounds

H2O is an example of a

• Element

• Compound

• Mixture

• Atom

Tags

NGSS.MS-PS1-1

An example of a mixture is

• H2O

• O2

• NaCl + H2O

• CO2

In a homogenous mixture

• The mixture looks different throughout

• The mixture looks the same throughout

• The mixture separates

• The mixture breaks apart

In a heterogenous mixture

• The mixture looks different throughout

• The mixture looks the same throughout

• The mixture separates

• The mixture breaks apart