Homework Chemistry 2

 

Directions: Answer the questions below using complete sentences.

 

1) If some one did not know how to figure out how many protons were in one atom of an element, how would you describe how to calculate the proton number?

 

 

 

 

 

2) Figure out the number of protons, neutrons, and electrons for these elements:

 

a)       Mercury:

b)       Nickel

c)       Iron

d)       Copper

e)       Selenium

f)         Bromine

g)       Krypton

h)       Radon

 

 

3) Describe where in the atom you will find the protons, neutrons and electrons.

 

 

 

 

4) What is the difference between an atom and an element?

 

 

 

 

 

5) What are the element symbols for these elements?

 

a)       Carbon

b)       Calcium

c)       Oxygen

d)       Phosphorus

e)       Magnesium

f)         Manganese

g)       Fluorine

h)       Bromine

 

 

 

6) What elements are represented by these symbols?

 

a)       U

b)       P

c)       K

d)       N

e)       Li