Atomic Structure

the smallest building block of matter

• atom

• compound

• mixture

• proton

Tags

112.20.b.5.A

112.20.b.5.B

Label the parts of an atom

c

d

e

a

proton

orbit

element

electron

valence electron

neutron

Match the following subatomic particles with their charge

• negative

• proton

• positive

• electron

• no charge

• neutron

Label the Periodic Table information for lead.

a

b

c

atomic symbol

atomic number

average atomic mass

How many neutrons are found in an atom of copper with a mass of 64 amu?

• 29

• 35

• 64

• 41

How many valence electrons does calcium have?

• 2

• 4

• 6

• 8

How many valence electrons does sulfur have?

• 2

• 4

• 6

• 8

What element does this diagram represent?

• hydrogen

• lithium

• fluorine

• carbon

Which of these is a correct Lewis Dot Structure?

• 
• 
• 
• 

Which of these is a compound?

• Cu

• Na

• K₃P

• Br