WorksheetsAtoms
Total questions: 9
Worksheet time: 5mins
Name
Class
Date
1.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
2.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
3.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
4.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
5.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
6.
Who atomic model said electrons orbit the atom like planets orbit the sun
a)
Einstein
b)
Thomson
c)
Bohr
d)
Dalton
7.
Who first proposed the idea of matter than could not be cut any further and named it atom
a)
Democrotus
b)
Aristotle
c)
Dalton
d)
Thomson
8.
Aristotle thought all matter fit into 4 categories which was not one of those categories
a)
ice
b)
earth
c)
fire
d)
water
9.
An atoms overall charge is
a)
positive
b)
depends on its mood
c)
neutral
d)
negative
100 %
