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WorksheetsCheck Your Knowledge
Total questions: 15
Worksheet time: 8mins
What is the smallest particle of matter?
atom
cell
ion
molecule
Which is a negatively charged particle?
electron
ion
neutron
proton
What element is this?
Au
aluminum
gold
silver
uranium
What makes an element?
atom
cell
molecule
substance
What is shown in the image?
a molecule
an atom
an element
an ion
What is the chemical symbol for mercury?
Er
Hg
Mg
Mn
What is the smallest particle of a compound?
cell
matter
molecule
substance
What is said to be the center of an atom?
core
nucleus
neutron
quantum particle
Which of the following element is a gas?
carbon
chlorine
iron
mercuryy
What will happen to the charged particles in the picture?
They will not move.
They will repel each other.
They will attract each other.
They will move around each other.
Which of the following is a liquid?
What is H2O?
coffee
salt
sugar
water
Who is the father of the periodic table of elements?
Dmitri Mendeleev
Ernest Rutherford
Gregor Mendel
Isaac Newton
Who discovered radium and polonium?
Albert Einstein
John Joseph Thomson
Marie Curie
Neils Bohr
What is the element with the chemical symbol Fe?
fluorine
iron
silver
zinc
