WorksheetsC2.1 Atoms
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The smallest particle of a substance is......
a)
atom
b)
element
c)
molecule
d)
compound
2.
The short-hand notation of an element is called....
a)
formula
b)
symbol
c)
mark
d)
representation
3.
'S' is the symbol of ....
a)
Silicon
b)
Sulfur
c)
Sodium
d)
Above all
4.
The symbol of Gold is......
a)
G
b)
Ag
c)
Au
d)
Go
5.
The word “atom” comes from the Greek “atomos” meaning …
a)
Invisible
b)
Tiny
c)
Indivisible
d)
Indestructable
6.
John Dalton’s atomic idea is a scientific theory because he …
a)
He is a smart guy
b)
He did experiments
c)
He is a scientist
d)
He made observations
7.
Dalton’s atomic theory says that all atoms of one element are the same.
a)
True
b)
False
8.
In a chemical reaction, atoms can NEVER…
a)
Change into a different atom
b)
Combine with a different atom
c)
Change places with a different atom
d)
Separate from another atom
9.
Dalton proposed the
a)
snooker model of the atom
b)
billiard ball model of the atom
c)
pool model of the atom
d)
the ball model of the atom
10.
Definition of an element
a)
Is made of one atom
b)
Is made of one TYPE of atom
c)
Is made of two atoms
d)
Is an animal with a long nose
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