Enter Title

Question 1

100

All things that exist are made up of 

atoms

200

What is the smallest particle that makes up an element 

atom

300

How many amu does the electrons have 

1/2000 amu

400

7 protons 

8 electrons      What is the charge?

-1

500

The atomic number is determined by _____

The number of protons 

Question 2

100

Which part of an atom is said to have a positive charge

proton 

200

What determines the atom's identity 

number of protons 

300

Protons + Neutrons =______

Mass

400

If you change the # of neutrons of an atom, you change the_______

isotope

500

What two basic particles form the nucleus of an atom

Protons and neutrons 

Question 3

100

Which part of the atom is said to have a negative charge

electron 

200

Electrons, protons, and neutrons make up an 

atom

300

Electrons =_____

volume (which is empty space) 

400

Any particle smaller than an atom is called ______

subatomic particle 

500

18 Protons 

12 electrons    What is the charge 

+6

Question 4

100

Which part of the atom has no charge

neutron 

200

How many amu does a proton and neutron have

1 amu 

300

Protons and electrons determine the _________of an atom

reactivity 

400

If an atom has 4 positively charged subatomic particles, what must it have to become a neutral atom

4 electrons

500

15 Protons 

18 electrons    What is the charge 

-3