Chem. 105                                                                      Name:____________________________

10 points

Atomic Structure Worksheet

Draw the electron configuration for the following elements

 

Mg

 

 

Ar

 

 

Rb

 

 

Draw the electron dot formula for the following elements

 

 

Na_____________     O_____________       Se__________ Br____________  Xe___________

 

 

Complete the following table

 

Element name

element symbol

Atomic #

# of protons

# of electrons in 3rd shell

Period #

Type of element

Atomic wt.

Family

Calcium

 

 

 

 

 

 

 

 

 

Zn

 

 

 

 

 

 

 

 

 

25

 

 

 

 

 

 

 

 

 

 

3

3

 

 

 

 

 

 

 

 

2

 

 

VIIA

 

 

 

 

 

 

 

74.92

 

 

 

Complete the following table

Nuclear symbol

Atomic #

# of protons

# of neutrons

# of electrons

Name of element

120Sn50

 

 

 

 

 

235U92

 

 

 

 

 

14C6