Classification

Is the following a pure substance or mixture? Baking Soda ( $NaHCO_3$ ) 

• pure substance

• mixture

Tags

NGSS.MS-PS1-1

Classify the particle diagram.

• element

• compound

• mixture of elements

• mixture of compounds

• mixture of elements and compounds

Tags

NGSS.MS-PS1-1

Classify the particle diagram.

• element

• compound

• mixture of elements

• mixture of compounds

• mixture of elements and compounds

Tags

NGSS.MS-PS1-1

Classify the particle diagram.

• element

• compound

• mixture of elements

• mixture of compounds

• mixture of elements and compounds

Tags

NGSS.MS-PS1-1

Classify the particle diagram.

• element

• compound

• mixture of elements

• mixture of compounds

• mixture of elements and compounds

Tags

NGSS.MS-PS1-1

A combination that can be separated by physical processes is a .....

• Pure Substance
• Glucose
• Element
• Mixture

Which one of these pictures represents a pure substance? 

• 1 and 2
• 1 and 3
• 2 and 3
• 1, 2 and 3

Tags

NGSS.MS-PS1-1

Compounds made from only nonmetals are _________________ compounds.

• ionic
• covalent
• metallic
• chemical

Tags

NGSS.MS-PS1-1

When solid NaCl is stirred into water, which of the following is NOT true?

• Individual sodium and chloride ions are present.

• The solution will conduct electricity.

• The solution will taste salty.

• The NaCl will fail to dissociate.

Tags

NGSS.MS-PS1-2