Atoms Elements Compounds Mixtures

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Which substance is made when two or more different elements are chemically combined?

• Element
• Mixture
• Compound
• Solids

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

Tags

NGSS.MS-PS1-1

An element is considered to be which type of substance?

• pure substance
• compound
• mixture
• molecule

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

Which of the following is produced when you mix two or more atoms together (the atoms can be different or the same)?

• atoms
• elements
• molecules
• compounds

Tags

NGSS.MS-PS1-1

Which is not an element?

• Nitrogen
• Helium
• Air
• Oxygen

Substances made of two or more DIFFERENT elements chemically combined.

• atoms

• compounds

• mixtures

• elements