Flash card Atoms

Front

Be able to label an atom

Back

Front

Know the names of the numbers

Back

Front

How many electrons does this element have?

Back

26 because that is the atomic number which is the smaller number in the box

Front

How many protons does this element have?

Back

12 because that is the atomic number which is the smaller number in the box

Front

How many neutrons does this element have?

Back

Neutrons = mass number (big number) - atomic number (small number)

neutrons = 24-12 = 12

Front

Fill in this table for each sub-atomic particle:

Back

Front

Whatis the MAXIMUM electrons you can put in each shell?

Back

2 in the first shell

8 in every shell after

Front

Put the electrons in the shells.

There are 11 in sodium

Back

2)8) 1