Activate 5.3 Atoms, elements and compounds

This is the smallest unit of an element.

• atom

• molecule

• compound

• nucleus

Tags

NGSS.MS-PS1-1

This is any combination of two or more atoms from different elements that are chemically combined.

• compound

• molecule

• element

• pure substance

Tags

NGSS.MS-PS1-1

Any combination of two or more atoms that are chemically combined is called this.

• molecule

• compound

• element

• pure substance

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• Element

• Compound

• Molecule

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• Element

• Compound

• Molecule

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• Element

• Compound

• Molecule

Tags

NGSS.MS-PS1-1

What is the picture displayed?

• atom

• element

• compound

Tags

NGSS.MS-PS1-1

Are these molecules also compounds?

• YES
• NO

Tags

NGSS.MS-PS1-1

Are these molecules also compounds?

• YES
• NO

Tags

NGSS.MS-PS1-1

What is the symbol for sodium?

• Na

• So

• Sd

• Nd