34. Define the following terms
(a) Atom (b) Molecule (@) Avogadro's
number
(d)Valency (e)molar mass
Answers
Answer:
a) The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons
b) The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds
c) 6.023x 10^23
d)the combining power of an element, especially as measured by the number
e) the molar mass of a chemical compound is defined as the mass of a sample of that compound divided by the amount of substance
Hope it helps..
Atom-Matter is composed of tiny particles known as atoms.
Molecule-A molecule is the smallest particle which can exist freely in nature by itself and it retains the properties of the substance.
Avogadro's number-6.023x10^23.
Valency-The combining power of an element especially as measured by the number.
Molar Mass-The molar mass of a chemical compound is defined as the mass of a sample of the compound divided by the amount of substance.
Hopes it helps
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