WorksheetsCHEM ASSIGNMENT
Total questions: 4
Worksheet time: 2mins
Name
Class
Date
1.
Which of the following elements has the highest second ionization energy ?
a)
Iron
b)
Sodium
c)
Silicon
d)
Magnesium
2.
In which of the following pairs does the first species have a larger size ?
a)
N, P
b)
Mg, Na
c)
p3-, P
d)
Mg2+, Mg
3.
Which of the following statement is true of the periodic table ?
a)
It is based on nucleon number.
b)
The elements are divided into five blocks.
c)
There are eight groups in the periodic table.
d)
There are seven periods in the periodic table.
4.
The electronic configuration of element Q is shown below.
1s2 2s2 2p6 3s2 3p6 3d2 4s2
Which of the following is true about Q ?
a)
It is located in Period 4.
b)
It is a Group 2 element.
c)
It has a low melting point.
d)
It is a poor electrical conductor.
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