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WorksheetsAtoms
Total questions: 25
Worksheet time: 13mins
The smallest particles that makes up all matter.
Atoms
Molecules
Compounds
Elements
Two or more atoms chemically bound together.
Matter
Molecules
Compounds
Elements
Molecules with 2 atoms of the same element.
Compound
Diatomic molecule
Matter
Chemical
Molecules of atoms of different elements.
Diatomic molecules
Matter
Compounds
Elements
Negative sub-atomic particles.
(a)
Positive sub-atomic particles.
(a)
Neutral sub-atomic particles.
(a)
Area in the center of an atom that contains protons and neutrons.
(a)
What is the atomic number of this element?
(a)
What is the symbol of this element?
(a)
What is the name of this element?
(a)
Give the symbol for Boron
(a)
Give the symbol for Chlorine
(a)
Which element is represented with the symbol O?
(a)
Which element is represented with the symbol Na?
(a)
Which element is represented with the symbol K?
(a)
Cannot be separated by physical means.
Pure substances
Mixtures
Particles are not chemically bonded.
Pure Substances
Mixtures
Choose the best description for the picture.
Pure substance - Elements
Pure substance - Compounds
Mixture of elements
Mixture of molecules
Choose the best description for the picture.
Pure substance - Elements
Pure substance - Compounds
Mixture of elements
Mixture of molecules
Choose the best description for the picture.
Pure substance - Elements
Pure substance - Compounds
Mixture of elements
Mixture of molecules
Choose the best description for the picture.
Pure substance - Elements
Pure substance - Compounds
Mixture of elements
Mixture of molecules
A chemical reaction that breaks down compounds.
Composition reaction
Photosynthesis
Decomposition reaction
Nitrification
What type of decomposition reaction is this?
(a)
What type of decomposition reaction is this?
(a)
