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WorksheetsUnit 2 - Chemistry
Total questions: 25
Worksheet time: 42mins
How do metal atoms form ions?
They lose electrons to form negative ions.
They gain electrons to form positive ions.
They lose electrons to form positive ions.
They gain electrons to form negative ions.
Which of these statements about a negative ions is true?
It has an equal number of protons and electrons.
It has more protons than electrons.
It has more electrons than protons.
What happens when sodium and chlorine atoms from sodium chloride?
An electron transfers from each sodium atom to each chlorine.
An electron transfers from each chlorine atom to each sodium atom.
Sodium and chlorine atoms share electrons.
What is a covalent bond?
A bond formed between oppositely charged ions.
A bond formed when two atoms share a pair of electrons.
A bond formed by delocalized electrons.
In a Lewis structure diagram, what does each dot represent?
A neutron.
A proton.
An electron.
What combination of elements will form covalent bonds?
Metal atom and another metal atom.
Metal atom and non-metal atom.
Non-metal atom and another non-metal atom.
Which of the following pairs of elements would join together with ionic bonding?
Sodium and bromine.
Iron and chromium.
Hydrogen and sulfur.
Vanadium and aluminium.
Which of the following bonds can conduct electricity?
Ionic bond.
Polar covalent bond.
Non-polar covalent bond.
What is the name of following compound (using the stock nomenclature)?
Ni2O3
(a)
What is the chemical formula of mercury (II) oxide?
(a)
What is the name of the following compound (using traditional nomenclature)?
Br2O5
(a)
What is the chemical formula of hypofluorous oxide?
(a)
What is the name of following compound (using traditional nomenclature)?
HI
(a)
What is the chemical formula of hydrofluoric acid?
(a)
What is the name of the following compound (using traditional nomenclature?
HBrO4
(a)
What is the chemical formula of phosphoric acid?
(a)
What is the name of following compound (using stock nomenclature)?
Pt(OH)4
(a)
What is the chemical formula of copper (I) hydroxide?
(a)
What is the name of the following compound (using traditional nomenclature)?
ZnBr2
(a)
What is the chemical formula of vanadium (V) chloride?
(a)
What is the name of the following compound (using traditional nomenclature)?
Hf3(PO4)4
(a)
What is the chemical formula of aluminium chromate?
(a)
Which of the following compounds are considered as acids?
HCl
Na2O
HNO3
LiH
Ba(OH)2
Which of the following compound are considered as salts?
RaBr2
CO2
CsHCO3
H2O
KNO3
Which of the following compound are considered as hydroxides?
Ca(OH)2
HF
NaCl
SrH2
CaS
