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WorksheetsAtomic Structure and Chemical Bonding
Total questions: 10
Worksheet time: 5mins
Select an element which does not have neutron
Tritium
Helium
Protium
Deuterium
An element has 20 neutrons and 15 protons. Find the mass number of the atom.
25
20
30
35
Find the number of neutrons in the nucleus of an atom with atomic number 17 and mass number 37.
17
18
19
20
An element A with 10 neutrons, 9 protons and 10 electrons is
Cation
Anion
Isotopes
All of the above
Ammonia molecule has
Double Covalent Bond
Triple Covalent Bond
three single covalent bond
one single covalent bond
Calcium Oxide is formed by
Sharing of electron
Transfer of electron
Carbon Tetrachloride is
Electrovalent compound
covalent compound
noble gas
Water has
one lone pair
one bond pair
two lone pair
three bond pair
X has atomic number 11. Y has atomic number 17. State The formula of the compound formed between them
YX
X2Y
XY
Y2X
An element W has atomic number 9. Find out whether it is
metal
non-metal
noble gas
all of the above
