Chemical Formulas

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

Tags

NGSS.MS-PS1-1

How many Sodium (Na) are in 6NaCl?

• 1
• 12
• 6

Tags

NGSS.MS-PS1-1

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

Tags

NGSS.MS-PS1-1

How many Elements are in the compound C₂H₈O ?

• 2
• 1
• 3
• 0

Tags

NGSS.MS-PS1-1

If there is no subscript, there is ______ atom(s) of that element.

• 0
• 2
• only 1
• 1 million

Tags

NGSS.MS-PS1-1

How many elements are present in this compound?
Mg₂As₃COHNi₂

• 2
• 4
• 6
• 10

Tags

NGSS.MS-PS1-1

How many molecules are in 10MgCl₂?

• 10
• 2
• 30
• 13

Tags

NGSS.MS-PS1-1

Which of these is an element?

• H₂Cr
• Cr₃
• OH
• PNi

Tags

NGSS.MS-PS1-1

In this image, what are the symbols in red are called the_______.

• Products
• Reactants
• Subscripts
• Coefficients

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

The law of conservation of mass states that....

• Matter can be created
• Matter is sometimes destroyed
• Matter cannot be created or destroyed
• Matter can be created but not destroyed

Tags

NGSS.MS-PS1-5