If proton number is 19, electron configuration will be ______...? Mcqs

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If proton number is 19, electron configuration will be ______...?

(A) 2, 8, 9
(B) 2, 8, 8, 1

(C) 2, 8, 1
(D) 2, 8, 3

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Diamond is an allotropic form of_______...?

(A) Carbon
(B) Hydrogen

(C) Nitrogen
(D) Silicon

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The average kinetic energy of the molecules of a body determines...?

(A) heat
(B) temperature

(C) internal energy
(D) none

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What is the symbol of Gold...?

(A) Ag
(B) Au

(C) S
(D) None

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What is the chemical formula of Ozone...?

(A) H2O
(B) C12

(C) O3
(D) CH4

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what are stars mainly made of ...?

(A) Balls of gass
(B) Rock

(C) Ice
(D) Light

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Fuzzy logic is a part of_________________...?

(A) Aristotle’s philosophy
(B) Computer science

(C) Epicurianism
(D) Sophism

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The chemical material of a chromosome is called _____...?

(A) Chromatin
(B) Chromeres

(C) Chromonema
(D) Chromatid

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Which is used to remove dissolved physical and chemical impurities from water is called ____...?

(A) Distillation
(B) Chlorination

(C) Filtration
(D) Sedimentation

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Noble gases are stable because they contain _____...?

(A) 4 electrons in valence shell
(B) 6 electrons in valence shell

(C) 8 electrons in valence shell
(D) 10 electrons in valence shell

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