1)The word atom comes from the greek word atomos,which means ...

A)Tinny

B)Uncuttable

C)Matter


2)The center of an atom is called the...


A)nucleus

B)Orbital

C)Core

3)This subatomic particle with the smallest mass...


A)Proton

B)Neutron

C)Electron

4)Found in the nucleus...

A)Protons and electrons

B)Protons,Neutrons and electrons

C)Protons and neutrons


5)Positively charged particle...

A)Proton

B)neutron

c)electron

6)Located outside of the nucleus...

A)Proton

B)Neutron

C)Electron

7)Negatively charged particle...

A)proton

B)Neutron

C)Electron

8)This is the charge of a neutron...

A)0

B)+1

C)-1

9)The fastest moving particle...

A)proton

B)Neutron

C)electron

10)Most of an atom is...

A)Filled of an electrons

B)empty space

C)Filled with air

11)Which of the following statements is false?

A)All atoms are the same .

B)In a neutral atom, there are equal numbers of protons and electrons.

C)Atoms can share electrons.


12)Which of the following statements is true?

A)Electrons are larger than protons.

B)Atoms are the smallest living organism .

C) The number of protons in an atom determines the element.