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Worksheets3.1 Classification of Elements
Total questions: 15
Worksheet time: 23mins
The Modern Periodic Table of Elements is arranged by______________
atomic mass
proton number
valence electrons
number of isotopes
In the periodic table, the elements which are similar in their Chemical & physical properties are located in the same ................
period
group
nucleus
energy level
The elements which occupy the middle block (d) in the periodic table are called ................ elements.
transition
alkali
alkaline earth
noble
Choose which of the following position is correct for Neon (Z = 10)
Period : 2
Group : 17
p-block
Period : 2
Group : 18
s-block
Period : 2
Group : 18
p-block
Choose the correct position for element Titanium (Z= 22)
Group : 14
Period : 4
p-block
Group 4
Period : 4
d-block
Group: 14
Period 4
d-block
Group 4
Period : 4
p-block
S has the electronic configuration of 1s2 2s2 2p6 3s2 3p4 choose the correct position of S element in periodic table
Group 6
Period 3
p-block
Group 16
Period 3
s-block
Group 16
Period 3
p-block
Iron (Fe) has the valence electronic configuration of 4s2 3d6. Which of the following is the correct position of Fe element?
Period: 4
group: 18
d-block
Period : 4
Group : 2
d-block
Period : 4
Group : 8
d-block
What is the electronic configuration for element at Period = 2, Group = 18
1s2 2s2 2p3
1s2 2s2 2p4
1s2 2s2 2p5
1s2 2s2 2p6
State the group for 1s2 2s2 2p6 3s2 3p6
(a)
What is the electronic configuration for element at Period = 4, Group = 17
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5
1s2 2s2 2p6 3s2 3p4
1s2 2s2 2p6 3s1
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6
State the block for 1s2 2s2 2p6 3s2 3p6 3d6 4s2
(a)
Specify the group and period for [Ne]3s2 3p4
Period 3 Group 4
Period 3 Group 14
Period 3 Group 16
Period 3 Group 6
Element A located at period 2 and group 13. Which the electronic configuration for element A?
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p3
1s2 2s2 2p1
Given the electronic configuration for element Z are as follows 1s2 2s2 2p6 3s2 3p6 4s2 3d5
Determine the group, period and block for element Z in the periodic table.
Period: 3
group: 15
d-block
Period: 3
group: 17
d-block
Period: 4
group: 5
d-block
Period: 4
group: 7
d-block
