WorksheetsSecond Chemistry Quiz
Total questions: 22
Worksheet time: 28mins
A substance that cannot be split into anything simpler.
An element
A molecule
A compound
All elements are made up of particles called ..........................
ions
atoms
compounds
An atom is the smallest part of an element that can exist, with a diameter of about ..................................
0.000 000 01 nm.
0.000 000 01 dm.
0.000 000 01 cm.
An element can be broken down into simpler substances by heating.
True
False
Every element has its own type of atom.
True
False
Each element has its own two chemical symbols.
True
False
The symbol of a silvery-white element that is used as jewellery and is very attractive.
Pt
Ta
P
Pa
Tp
The symbol of an element used in capacitors that store electrical energy in cell phones and computers
Cl
Ta
Al
C
Ar
The symbol of an element used in catalytic converters that reduces pollution from cars.
N
Ta
Be
Li
Pt
The symbol S represent the element......................
Sulfur
Sodium
Selenium
Silicon
The symbol Na represents the element......................
Nitrogen
Sodium
Neon
Nickel
The chemical symbol for carbon is .....................
Ca
C
Cr
Cn
The chemical symbol for magnesium is .....................
Mn
M
Mg
Ma
The chemical symbol for chlorine is .....................
co
cl
Co
Cl
The chemical symbol for helium is .....................
H
h
HE
He
The symbol (K) represents the element......................
Potassium
Kalcium
Calcium
Krypton
All the chemical symbols for elements come from other languages than English.
True
False
There are 25 elements found naturally on Earth. Scientists have made at least 92 more
True
False
The chemical symbol for fluorine is .....................
f
F
Fl
fu
List three uses of the metal Platinum.
Similar elements have different properties as they are made from the same atoms.
True
False
