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861
Which of the following arrangements is in order of increasing metallic property?
A.
Li < Na< k
B.
Na < Li < K
C.
K
D.
K < Li < Na
View Answer & Discuss
WAEC 2011
862
Chlorine, bromine and iodine belong to the same group and
A.
are gaseous at room temperature.
B.
form white precipitate with AgNO
3(aq)
C.
react violently with hydrogen without heating
D.
react with alkali
View Answer & Discuss (2)
WAEC 2011
863
Which of the following elements can conveniently be placed in two groups in the periodic table ?
A.
Carbon
B.
Copper
C.
Hydrogen
D.
Oxygen
View Answer & Discuss (3)
WAEC 2011
864
The bond formed when two electrons that are shared between two atoms are donated by only one of the atoms is
A.
covalent
B.
dative
C.
ionic
D.
metalic
View Answer & Discuss (3)
WAEC 2011
865
When element
20
A combines with element
8
Y,
A.
a covalent compound, AY is formed
B.
an ionic compound AY is formed
C.
an ionic compound, A
2
Y is formed
D.
a covalent compound,
A
Y
2
is formed
View Answer & Discuss (2)
WAEC 2011
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