WorksheetsAtoms
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
What gives an atom mass?
a)
Protons & electrons in the nucleus
b)
electrons in the cloud
c)
protons & neutrons in the nucleus
d)
Protons & electrons in the cloud
2.
The subatomic particle with a neutral charge is:
a)
protons
b)
electrons
c)
neutrons
d)
cloud
3.
What determines an elements identity?
a)
electrons
b)
periodic table
c)
protons
d)
mass
4.
This particle is found in the nucleus and has a positive charge
a)
Electron
b)
Proton
c)
Neutron
5.
This particle is found in the nucleus and has no charge
a)
Neutron
b)
Proton
c)
Electron
6.
This contains most of the mass of an atom
a)
Electron Cloud
b)
Nucleus
c)
Electron
7.
This is a negatively charged particle found outside the nucleus
a)
Electron
b)
Proton
c)
Neutron
8.
The first person to ever talk about an atom was
a)
Democritus
b)
Rutherford
c)
Dalton
9.
How did Rutherford discover the proton?
a)
Cathode tube ray experiment
b)
Gold Foil Experiment
c)
Planetary Model
d)
Plum Pudding Model
10.
Who stated that all atoms of the same element are exactly alike?
a)
Democritus
b)
Dalton
c)
Thomson
d)
Borh
11.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
12.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
13.
Who came up with this model of an atom?
a)
J.J. Thompson
b)
Ernest Rutherford
c)
Neils Bohr
d)
James Chadwick
14.
True or False: The majority of an atom is made up of empty space
a)
True
b)
False
15.
The majority of an atom's mass exists where?
a)
In the nucleus
b)
In the electron cloud
c)
In the space between the nucleus and the electrons
d)
In the neutrons
100 %
