Pure Substances and Mixtures

Identify the following substance.

• Element

• Compound

• Mixture

• Diatomic Molecule

Tags

NGSS.MS-PS1-1

Identify the following substance

• Element

• Compound

• Mixture

• Diatomic Molecule

Tags

NGSS.MS-PS1-1

What is the atomic mass of the element in the square?

• 6

• Carbon

• 12

• 7

Tags

NGSS.MS-PS1-1

How many protons does an Aluminum atom have?

• 13

• 14

• 26

• 27

Tags

NGSS.MS-PS1-1

How many neutrons does an Aluminum atom have?

• 13

• 14

• 26

• 27

Tags

NGSS.MS-PS1-1

What is an element?

• a molecule made with more than one atom

• matter consisting of one kind of atom

• two or more substances physically combined

• a mixture in which the different parts are visible

What is the chemical formula for this molecule?

• NN

• 2N

•  $N_2$  

•  $NO_2$  
  

Tags

NGSS.MS-PS1-1

What is the chemical formula for this molecule?

• OH

• HO

• HHO

• $H_2O$

Tags

NGSS.MS-PS1-1

Which is a diatomic element?

• $O_2$

• $O_3$

• Cl

• $H_2O$

Tags

NGSS.MS-PS1-1

Select all the pure substances below (pick 3).

• element

• compound

• molecule

• mixture

Tags

NGSS.MS-PS1-1