In an atom number of protons and neutrons are added to obtain
A. Number of Electrons
B. Number of Protons
C. Atomic Number of Element
D. Number of Isotopes
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A piece of matter in pure form is termed as
A. Radical
B. Mixture
C. Compund
D. Substance
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
Ethyl Alcohol is prepared by
A. Ibne Sina
B. Al Razi
C. Al Beruni
D. Jaber Bin Hayan
The Molar Mass of H2SO4 is
A. 98 a.m.u
B. 9.8gm
C. 98gm
D. 9.8 a.m.u
The molecule consists of two atoms is
A. Mono atomic Molecule
B. Poly atomic Molecule
C. Hetero atomic Molecule
D. Di atomic Molecule
A formula that indicates actual number and type of atoms in molecule is called
A. Chemical Formula
B. Empirical Formula
C. Molecular Formula
D. Formula Mass