8.5D Chemical Formulas retest

How many carbon atoms (C) are in a CO₂ molecule?

• 1
• 2
• 3
• 0

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms (H) are in a molecule of H₂O?

• 1

• 2

• 3

• 0

Tags

NGSS.MS-PS1-1

The small number to the right of an elemental symbol  ( H₂₎ is called?

•  a subscript 
• a coefficient 
• a variable 
• a divisor 

Tags

NGSS.MS-PS1-1

When a molecule is made up of more than two different elements ( Example CO₂)  we call this .......................

• a mixture 
• atom
• a compound 

Tags

NGSS.MS-PS1-1

A series of numbers and letters that are used to represent a molecule

• physcial property 
• chemical property 
• chemical formula 
• atom

Tags

NGSS.MS-PS1-1