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WorksheetsElements and Compounds
Total questions: 8
Worksheet time: 5mins
Name
Class
Date
1.
Latin name of sodium
a)
Natrio
b)
Natrium
c)
Nitro
d)
Narium
2.
The Greek name of of mercury is
4 lines
3.
The formula of Radium
(a)
4.
Compound formula of hydrated calcium sulphate
a)
CaSO4.1\2H2O
b)
NaHCO3
c)
SiO2
d)
C12H22O11
e)
CaO
5.
Name the metal present in Chlorophyll
a)
Manganese
b)
Magnesium
c)
Iron
d)
Phosphurus
6.
Who was the first scientist to use the term element
a)
Antoine Laurent Levoisier
b)
John Dalton
c)
Robert William Boyle
d)
Henry Cavendish
7.
Out of the 118 elements how many have been created artificially
a)
26
b)
92
c)
82
d)
36
8.
Elements have broadly been classified into
a)
Metals, Non metals, Metalloids, Inert gasses
b)
Metals, Reactive metals, Metalloids, Inert gasses
c)
Metals, Non metals, Metalloids, gasses
d)
Metals, Non metals, Mettalloids, Inert gasses
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