WorksheetsChapter 3 Periodic Table
Total questions: 15
Worksheet time: 6mins
Which of the following statements is true of the periodic table?
It is based on nucleon number.
The elements are divided into five blocks.
There are eight groups in the periodic table.
There are seven periods in the periodic table.
What is valence electron?
electron in the second electron shell
electron in the outermost electron shell
The atomic number
An electron in the innermost electron shell
Elements in the same group or family have the same number of
neutrons
valence electrons
electrons
energy levels
Elements in the same period have the same number of
neutrons
valence electrons
electrons
electron shells
What group number are the Halogens?
18
1
2
17
What group number are the Noble gases?
17
18
14
15
An element with a proton number of 8 belong to..
s block
p block
d block
f block
State the Group for atom X if the valence electron is 7
17
16
2
1
The proton numbers of chlorine, potassium and calcium are given below.
C = 6, N = 7, O = 8, F = 9
Which atom will have the largest radius?
C
N
O
F
As you go down the Periodic Table, the ______ increases.
proton number
shielding effect
effective nuclear charge
eletronegativity
The more protons there are, the ____ .
Weaker the pull
Smaller the electrons
Stronger the pull
The bigger the electrons
The electronic configuration of the four elements are shown below:
P: 1s2 2s2 2p6 3s2 3p6 4s2
Q: 1s2 2s2 2p6 3s2 3p2
R: 1s2 2s2 2p6 3s2 3p4
S: 1s2 2s2 2p6 3s2 3p6 4s2 3d4
Which of the elements belong to group 14
P
Q
R
S
The electronic configuration of element Q is shown below:
1s2 2s2 2p6 3s2 3p6 3d10 4s2
Which of the following statements is of Q?
It is s-block element.
It is Group 2 element.
It has 10 valence electrons.
It is located in Period 4.
