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WorksheetsFACE THE CHALLENGE
Total questions: 20
Worksheet time: 7mins
THE MOLECULE OF PHOSPHORUS IS:
MONOATOMIC
DIATOMIC
TRIATOMIC
TETRATOMIC
THE NUCLEUS OF AN ATOM CONTAINS:
PROTONS
NEUTRONS
ELECTRONS
BOTH A AND B
THE AMMONIUM RADICAL IS:
TRIVALENT
DIVALENT
MONOVALENT
NONE OF THESE
THE ELEMENTS IN MODERN PERIODIC TABLE IS BASED ON :
ATOMIC MASS
ATOMIC NUMBER
EQUIVALENT WEIGHT
ALL OF THESE
THE ELEMENT WHOSE ELECTRONIC CONFIGURATION IS 2, 8, 7 :
SODIUM
PHOSPHORUS
CHLORINE
NEON
ALL NOBLE GASES ARE :
TRIATOMIC
MONOATOMIC
DIATOMIC
POLYATOMIC
THE TOTAL NUMBER OF ELECTRONS PRESENT IN SODIUM ATOM IS :
13
12
11
10
HYDROXIDE RADICAL IS A TYPE OF :
NEGATIVE RADICAL
POSITIVE RADICAL
NEUTRAL IN NATURE
NONE OF THESE
THE ELECTRONIC CONFIGURATION OF CALCIUM IS :
2, 8, 8, 3
2, 8, 7
2, 8, 8, 2
2, 8, 10
MODERN PERIODIC TABLE IS DIVIDED INTO :
7 GROUPS , 18 PERIODS
17 GROUPS , 18 PERIODS
8 PERIODS , 17 GROUPS
18 GROUPS , 7 PERIODS
WHICH AMONG THE FOLLOWING IS OCTATOMIC MOLECULE:
OZONE
PHOSPHORUS
SULPHUR
BOTH B AND C
POSITIVELY CHARGED IONS ARE REFERRED AS :
IONS
RADICALS
ANIONS
CATIONS
WHICH AMONG THE FOLLOWING IS A MOLECULE OF A COMPOUND:
O2
H2O
Ne
N2
WHICH AMONG THE FOLLOWING IS THE SMALLEST PARTICLE OF AN ELEMENT:
MOLECULE
ATOM
COMPOUND
RADICAL
THE ATOMIC NUMBER OF AN ELEMENT IS GIVEN BY THE SYMBOL:
N
A
Z
X
WHICH AMONG THE FOLLOWING REPRESENTS CARBONATE RADICAL:
CO2- -
CO3 ++
CO3 - -
CO-
WHICH AMONG THE FOLLOWING EXHIBIT VARIABLE VALENCY:
COPPER
HYDROGEN
SULPHUR
NITROGEN
THE VARIABLE VALENCIES OF LEAD ARE :
2+, 4+
1+ ,2+
3+, 1+
NONE OF THESE
THE CHEMICAL FORMULA H2CO3 REPRESENTS WHICH COMPOUND:
HYDROCHLORIC ACID
HYDRONIUM ION
CARBONIC ACID
SODIUM BICARBONATE
GROUP 1 ELEMENTS ( Na, K, Li )ARE :
LEAST REACTIVE METALS
BAD CONDUCTORS OF HEAT AND ELECTRICITY
HIGHLY REACTIVE NON METALS
HIGHLY REACTIVE METALS
