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WorksheetsWhat is an element?
Total questions: 15
Worksheet time: 8mins
Who was the greek philosopher who named particles as atoms?
Pythagoras
Plato
Aristotle
Democritus
What is an atom?
Smallest possible piece of rock
Smallest possible particle
Largest possible particle
Largest piece of rock
How many elements are there?
Over 100
Over 1000
Under 10
An element is.....
...made up of lots of atoms
... is more than one kind of atom
...made up of one kind of atom
.... made of one atom
Why is water not an element?
It is made of hydrogen and carbon atoms
It is made of oxygen and hydrogen atoms
It is made of oxygen atoms
It is made of hydrogen atoms
What is this?
Periodic Chart
Element table
Element chart
Periodic table
The letters in each box on the periodic table are called...
...chemical letters
...chemical symbols
...chemical signs
...chemicals
Elements are ordered in the periodic table based on their ...
... atomic number
... chemical symbol
.... date of discovery
... size
What is the chemical element of the symbol B?
Beryllium
Barium
Boron
Bromine
What is the chemical element with the symbol Se
Selenium
Scandium
Seaborgium
Sulfur
What is the element with the symbol Au
Aluminium
Gold
Actinium
Astatine
What is the element with the chemical symbol Na?
Neon
Nitrogen
Neptunium
Sodium
What element has the atomic number 23?
Vanadium
Magnesium
Chromium
Silicon
What element has the atomic number 99?
Holmium
Einsteinium
Lutetium
Californium
Which element is an alkali metal?
Chromium
Chlorine
Carbon
Caesium
