Chemical Symbol and atomic #

What is a valence electron? 

• An electron in the inside shell. The most inside shell. 
• An electron on the both shell 1 and 2
• An electron on the outer most shell. The electrons on the outside.

When 2 or more atoms of different types combine together they make ______. 

• elements 
• compounds
• electrons
• Protons

What is the atmoic number  for hydrogen?

• 2
• 1
• 3
• 4

What is the chemical symbol for hydrogen?

• HE
• He
• H
• Hy

What is the chemical symbol for Helium?

• HE
• He
• H
• Hl

What is the atomic number for Helium?

• 1
• 2
• 3
• 5

What is the chemical symbol for Beryllium? 

• B
• Br
• Be
• Bb

What is the chemical symbol for Lithium

• L
• Li 
• Le
• Th 

What is the atomic number for Lithium

• 3
• 4
• 5
• 6

What is the atomic number for Beryllium? 

• 3
• 5
• 4
• 6