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WorksheetsAtoms and elements
Total questions: 16
Worksheet time: 8mins
What is gold?
element
mixture
compound
If an element does NOT conduct electricity and is NOT shiny or malleable, it is a:
Metal
Gas
Nonmetal
Liquid
A substance that is generally shiny, can be bent, and often conducts heat and electricity is:
Gas
Metal
Nonmetal
Element
All matter is made of what?
energy
electrons
atoms
compounds
These elements are ductile
Metals
Nonmetals
Metalloids
The element symbol for potassium:
P
Pt
Po
K
If there are 94 different kinds of naturally occurring atoms, how many different naturally occurring elements are there?
90 elements
94 elements
24 elements
118 elements
Elements are made of ...... type of atom
one
two
different
...... are particles made of two or more atoms joined together.
atoms
molecules
elements
Sometimes the symbol is the first letter of the English name of the element. For example, the symbol for
Natrium is Na
Oxygen is O
Helium is He
Sometimes the symbol is the first of the English name of the element plus another letter from its name. For example, the symbol for .....
Helium is He
Iron is Fe
Hydrogen is H
Sometimes the symbol is taken from the name of the element in another language. For example, the symbol for ...
Nitrogen is N
Sodium 'Natrium' is Na
Silicon is Si
Name two gases that are found in air
nitrogen and oxygen
silicon and oxygen
calcium and oxygen
aluminium and oxygen
All matter is made up of tiny invisible particles called ....
atoms
elements
molecules
All the atoms in a piece of gold are the same size
True
False
An atom of iron different in size and mass from an atom of sodium
True
False
