Homework Chemistry 3

 

Directions: Answer the questions below using complete sentences.

 

1) From the list, which element has the largest atomic radius? Which element has the smallest atomic radius? (List: K, Li, Na, Rb, Cs)

 

 

 

2) Figure out the electronic configuration for these elements:

 

a)       Calcium

b)       Helium

c)       Barium

d)       Carbon

e)       Chlorine

f)         Bromine

g)       Aluminum

h)       Sulfur

 

 

3) Who invented the periodic table? Where was he from?

 

 

 

 

4) Common elements on the periodic table were joined together in what?

 

 

 

 

5) What atom is this? How can you tell?

 

 

 

 

6) Draw an atom of Nitrogen to the right.

 

 

 

 

7) What is the difference between a halogen and a noble gas?

 

 

 

8) State an element that falls under each of these periods on the table:

 

a)       Halogen

b)       Noble Gas

c)       Alkali Metal

d)       Alkaline Metal

e)       Transition Metal

f)         Non metal