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WorksheetsChemiscabulary terms
Total questions: 10
Worksheet time: 5mins
Match the definition to the word below:
"The smallest unit of matter."
Proton
Atom
Ion
Nucleus
Match the definition to the word below:
"An element that has the same number of protons as the original but a different number of neutrons."
Atom
Ion
Isotope
Molecule
What part of the nucleus makes it positively charged?
Cation
Electron
Neutron
Proton
Match the definition to the word below:
"An atom or a group of atoms with a positive electric charge."
Anion
Cation
Electron
Proton
The red electrons are examples of:
Anions
Cations
Isotopes
Valence electrons
Match the definition to the word below:
"The size of an atom, can be found by the addition of its protons and neutrons."
Atomic mass
Atomic number
Isotope
Valence electrons
Choose the CORRECT definition for the following term:
Atomic number
The combined number of protons and neutrons in an atoms nucleus.
The number of electrons in an atom.
The number of protons in an atom.
The number of valence electrons in an atom.
Choose the CORRECT definition for the following term:
Ion
An atom or molecule with an electric charge.
An atom with matching numbers of protons and electrons.
An atom or molecule with more neutrons than protons.
An atom with two or more valence electrons.
Sodium chloride is an example of:
An atom
An electron
An isotope
A molecule
Match the definition to the word below:
"An elementary particle with a negative charge and a very small mass"
Anion
Cation
Electron
Proton
