Chemical formulas

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

• 1
• 2
• 3
• 0

Tags

NGSS.MS-PS1-1

How many Oxygen atoms (O) are in a  molecule  of CO₂

• 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

How many oxygens atoms ( O )atoms 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 

 More than two atoms stuck together is called a ...................

• element 
• molecule 
• Chemical property 
• Physical property 

Tags

NGSS.MS-PS1-1

The smallest building block of matter is the......................

• compound 
• molecule 
• atom
• fluid

Tags

NGSS.MS-PS1-1

There are over 100 different kinds of atoms these different atoms are known as ....................

• elements 
• mixtures
• chemical bond 
• chemistry 

Tags

NGSS.MS-PS1-1

A mixture that can be easily be separated into his different parts ( think fruit salad)

• heterogeneous mixtures
• homogeneous mixtures 

A mixture that is mixed so well that it would be impossible to separate out its different parts ( think milkshake)

• heterogeneous mixture 
• homogeneous mixture