Chemical Bonding

Any substance that cannot be broken down into simpler substances by any chemical means is a __?__.

• element

• compound

• atom

2 or more different elements chemically bonded together is a __?__.

• compound

• element

• atom

Tags

NGSS.MS-PS1-1

A 1 or 2 letter symbol that represents an element is a __?__.

• Chemical Name

• Chemical Formula

• Chemical Symbol

A __?__ states the number and types of atoms in a molecules of a substance.

• Chemical Symbol

• Chemical Equation

• Chemical Formula

Tags

NGSS.MS-PS1-1

Electrons in the outermost shell are known as __?__.

• outer electrons

• valence electrons

• bonding electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ignoring hydrogen and helium, how many valence electrons does an atom need in order to be stable?

• 2

• 4

• 8

How many valence electrons do an atom of hydrogen or helium need in order to be stable?

• 2

• 4

• 8

A Lewis Dot Diagram is used to show the number of __?__ in one atom of an element.

• valence electrons

• total electrond

• number of protons and neutrons

Which of the following is the correct order in which to draw the electrons in a Lewis Dot Diagram?

• 
• 
• 

Atoms bond when their __?__ interact.

• inner electrons

• outer electrons

• valence electrons