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WorksheetsChemistry Basic Questions
Total questions: 20
Worksheet time: 10mins
What is the symbol for Iron?
Ir
Fr
Fe
In
How many atoms of sodium (Na) are in one molecule of baking soda?
1
2
3
4
Ozone and Oxygen molecules are the same substance because they both are made only of oxygen atoms.
true
false
What is the chemical symbol for carbon?
C
Ca
Cn
Crn
Molecules bonded together make up atoms.
true
false
How many atoms make up one molecule of laughing gas?
1
2
3
4
In a chemical reaction or change a new substance is not created.
true
false
what is an atom
smallest part of the universe
smallest part of a substance
smallest part of anything
smallest part of water
protons
negative charge, nucleus
positive charge, shells
positive charge , nucleus
neutral charge, nucleus
neutrons
no charge, shells
positive charge, nucleus
neutral, no charge, nucleus
negative charge, shells
electrons
no charge, nucleus
positive charge, nucleus
negative charge, shells
negative charge, nucleus
mass number
number of protons
number of electrons
number of protons and electrons
number of protons and neutrons
atomic number
number of protons/stands for an element
number of neutrons
number of electrons
number of protons and neutrons
a charged atom
neutral
isotope
ion
nucleus
