WorksheetsAtomic Structure Quiz (3C)
Total questions: 20
Worksheet time: 10mins
What is the atomic number of hydrogen?
1
2
3
4
What is the atomic number of Barium?
50
40
56
65
What is the electronic arrangement of neon?
10
2, 1
2, 8
2, 8, 8
What is the electronic arrangement of magnesium?
12
2,8,5
2,8,2
15
Which of the following is the element symbol of potassium?
P
Po
K
Kt
Which of the following is the element symbol of chlorine?
C
Ch
Cl
Co
Which of the following is the name of element with symbol Cu?
Cuppio
Copper
Curium
Gold
Which of the following is the name of element with the symbol S?
Sulphur
Sodium
Selenium
Lithium
Which group does silicon belong to?
I
II
IV
V
Which group does calcium belong to?
I
II
IV
V
Which period does helium belong to?
1
2
3
4
Which period does calcium belong to?
1
2
3
4
Which of the followings carries positive charge?
sodium ions
chloride ions
neutrons
electrons
Which of the followings carries negative charge?
electron
neutron
nucleus
helium atom
How many electrons in a phosphorus atoms?
12
13
14
15
How many electrons in a beryllium atom?
4
5
6
7
Which particle does not exist in a hydrogen atom?
proton
neutron
electron
nucleus
An atom X contains 45 neutrons and 30 protons. What is the mass number of atom X?
15
30
45
75
An atom Y contains 18 electrons and its mass number is 38. What is the number of protons of atom Y?
18
20
38
56
An atom W contains 24 protons and its mass number is 50. What is the number of neutrons in atom W?
24
26
50
74
