What is  $KMnO_4$  ? Select all that apply.

• Element

• Compound

• Molecule

Answer explanation

It is a compound because it has more than one type of element and a molecule because it has more than one atom.

Tags

NGSS.MS-PS1-1

What is  $HCl$  ? Select all that apply.

• Element

• Compound

• Molecule

Answer explanation

It is a compound because it has more than one type of element and a molecule because it has more than one atom.

Tags

NGSS.MS-PS1-1

What is  $Cl_2$  ? Select all that apply.

• Element

• Compound

• Molecule

Answer explanation

It is a molecule because it has only one type of atom but there is more than one atom. It is also an element.

Tags

NGSS.MS-PS1-1

What is  $H_2O$  ? Select all that apply.

• Element

• Compound

• Molecule

Answer explanation

It is a compound because it has more than one type of element and a molecule because it has more than one atom.

Tags

NGSS.MS-PS1-1

What is  $Fe$  ? Select all that apply.

• Element

• Compound

• Molecule

Answer explanation

It is an element because it is made up of only one atom.

Tags

NGSS.MS-PS1-1

What is  $O_2$  ? Select all that apply.

• Element

• Compound

• Molecule

Answer explanation

It is a molecule because it has only one type of atom but there is more than one atom. It is also an element.

Tags

NGSS.MS-PS1-1

What are the building blocks for matter?

• Molecule(s)

• Element

• Chemical formula

• Atoms

• Compound(s)

Answer explanation

Atoms are the most basic parts of matter that are still the same type of matter.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

All ______________ are made up of two or more atoms (same or different).

• Molecule(s)

• Element

• Chemical formula

• Atoms

Answer explanation

Molecules always have more than one atom and they can be the same or different elements.

Tags

NGSS.MS-PS1-1

A _________________ is made up of two or more different types of atoms.

• Molecule(s)

• Element

• Chemical formula

• Atoms

• Compound(s)

Answer explanation

Compounds are always different types of elements that are bonded together.

Tags

NGSS.MS-PS1-1

Bonus Question: When ____________________ form, the elements lose their individual chemical properties and take on new properties

• Molecule(s)

• Element

• Chemical formula

• Atoms

• Compound(s)

Answer explanation

Compounds have different properties than their original elements. Water is formed from two odorless gases.

Tags

NGSS.MS-PS1-5