elements and compounds before test review

Which one is a compound?

• Ni

• F

• Re

• NaCl

Tags

NGSS.MS-PS1-1

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Tags

NGSS.MS-PS1-1

What are known as the building blocks of matter?

• atoms

• elements

• mixtures

• none of the above

In the chemical formula for salt (NaCl), what to the capital letters represent?

• chemical formula

• elements

• molecules

• compounds

The periodic table lists all of the -

• compounds

• mixtures

• elements

• none of the above

Elements have a chemical _________ that is 1 or 2 letters

• formula

• symbol

• number

• mineral

how do we count the elements in a compound?

• count the numbers

• count the lowercase letters

• count the capital letters

• none of the above

How many different types of elements are represented in the chemical formula NaHCO₃

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

Glucose or sugar has a chemical formula of C₆H₁₂O_6. How many ATOMS does this compound have.

• 12

• 3

• 4

• 24

A pure substance made of 1 kind of atom-

• compound

• mixture

• element

• none of the above