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WorksheetsFormulae and Equations - 1
Total questions: 20
Worksheet time: 12mins
What is an element?
A substance made up of different types of atoms
A substance made up of atoms of only one element
A substance made up of atoms
A substance made up of atoms of more than one different element that are chemically bonded together
What is a compound?
A substance made up of different types of atoms
A substance made up of atoms of only one element
A substance made up of atoms
A substance made up of atoms of more than one different element that are chemically bonded together
What name is given to a molecule formed from 2 atoms that are chemically bonded together?
two-atom
di-atom
double molecule
diatomic
Which of these elements exists as diatomic molecules?
sodium
carbon
neon
nitrogen
Which of these elements does NOT exist as diatomic molecules?
oxygen
argon
chlorine
iodine
What is the correct formula for the element sodium?
S
So
Na2
Na
What is the correct formula for the element fluorine?
F2
F
Fl
Fl2
What is the correct formula for the element hydrogen?
Hy
H2
H
Hy2
What is the correct formula for the element iron?
I
Ir
Fe
Fe2
What would you call a compound that contained these elements: calcium and bromine
(a)
What would you call a compound that contained these elements: iodine and magnesium
(a)
What would you call a compound that contained these elements: sulfur, iron and oxygen
(a)
What is the correct name for this compound: MgO
oxygen magneside
magnesium oxide
magnesium oxygen
oxygen magnesium
What is the correct name for this compound: FeF2
ferron fluorine
ferron fluoride
iron fluorine
iron fluoride
What is the correct name for this compound: CuCO3
copper carbonate
copper carboxide
copper oxygenate
copper carbate
What is the correct name for this compound: CaSO4
calcium sulfuride
calcium sufurate
calcium sulfate
calcium sulfide
What is the correct name for this compound: KNO3
kobalt nitrate
potassium nitrogenate
nitrogen potassate
potassium nitrate
How many ELEMENTS are in this compound: NaCl
1
2
3
4
How many ELEMENTS are in this compound: H2SO4
3
5
7
9
How many ATOMS are in this compound: H2SO4
3
5
7
9
