he atomic mass of sodium is 23. The number of moles in 46g of sodium is ________.
Anonymous Quiz
22%
4
57%
2
11%
0
11%
ยฝ
Which of the following represents a correct chemical formula?
Anonymous Quiz
31%
CaCl
21%
BiPO4
39%
NaSO4
9%
NaS
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What property of an element determines its chemical behaviour?
Anonymous Quiz
12%
Size of an element
53%
Valency of an element
25%
Molar mass of the element
11%
None of these
Which of the following does not match the characteristics of an Isotope?
Anonymous Quiz
23%
Isotopes of some elements are radioactive
38%
Isotopes are the atoms of different elements
20%
Isotopes differ in number of neutrons
19%
Isotopes have similar chemical properties
Which isotope is used in the nuclear power plants to generate electricity?
Anonymous Quiz
46%
Uranium 235
19%
Iodine 131
18%
Cobalt 60
17%
Uranium 238
What was the source of alpha particles in Rutherford scattering experiment?
Anonymous Quiz
38%
Hydrogen nucleus
16%
Argon nucleus
36%
Helium nucleus
10%
None of these
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