H2O Review

Water's chemical composition, shown, can be described as...

• an element

• a compound

• an indicator

• a molecule

Tags

NGSS.MS-PS1-1

Hydrogen atoms and oxygen atoms can combine to form water. Which is the best classification for water?

• a particle

• a mixture

• an element

• a compound

Tags

NGSS.MS-PS1-1

In this chemical reaction, water is a(n)...

• product

• bond

• element

• reactant

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which atomic particle carries a negative charge?

• Neutron

• Molecule

• Electron

• Proton

Which of the following represents a compound?

• Hydrogen

• Oxygen

• Water

• Sodium

Tags

NGSS.MS-PS1-1

A molecule of ozone (O₃) has how many different types of atoms?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Which of the following could be found under "Compounds" ?

• Cl

• Na

• CO₂

• He

Tags

NGSS.MS-PS1-1

The table below lists several common elements found in the Earth's atmosphere, crust, ocean, and in living matter. Which element could be added to each column of the table?

• Hydrogen

• Carbon

• Chlorine

• Sodium

Tags

NGSS.MS-ESS2-1

How many different elements are in this incomplete equation?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-5

• Atoms

• Elements

• Mixtures

• Bonds

Tags

NGSS.MS-PS1-1