First Semester Review

The ______ are numbers found on the lower right-hand side of an element symbol.

• Coefficient

• Exponent

• Multiplier

• Subscript

What does the subscript in a chemical formula tell you?

• How many molecules are present

• How many atoms are present

• How many elements are present

• How many neutrons are present

How many atoms are present if there is no subscript following the element symbol? (if there is no coefficient)

• 0

• 2

• only 1

• 1 million

Tags

NGSS.MS-PS1-1

A ______ is a number written in front of a chemical formula.

• Coefficient

• Subscript

• Exponent

• Coordinator

What does the coefficient in a chemical formula tell you?

• How many molecules are present

• How many atoms are present

• How many elements are present

• How many neutrons are present

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

• formula
• atom
• subscript
• compound

Tags

NGSS.MS-PS1-1

When __________ form, the elements lose there individual chemical properties and take on new properties.

• compounds
• atoms
• subscript
• formula

Tags

NGSS.MS-PS1-5

Is this an element or a compound?  $CaSO_4$  

• Element

• Compound

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms are in 4H₂O?

• 6

• 8

• 2

• 4

Tags

NGSS.MS-PS1-1

How many Magnesium atoms are in 10MgCl₂?

• 10

• 5

• 20

Tags

NGSS.MS-PS1-1