The number of atoms in one mole of a substance is equal t...
The number of atoms in one mole of a substance is equal to?
the atomic number
the avogadro number
the gas constant
the number of neutrons
the number of electrons
Correct answer is B
Avogadro's number is defined as the number of elementary particles (molecules, atoms, compounds, etc.) per mole of a substance.
Which of the following constitutes an advantage in the use of hard water? ...
Helium atoms are chemically unreactive because ...
The heat required to raise the temperature of body by 1 K is called ...
The molecule which has the highest percentage of ionic character among the following is ...
What change will occur to the equilibrium mixture \( 2CrO^{2-}_4(aq) + 2H^+(aq) ⇔ Cr_2O^{2-}_7(aq...
The IUPAC nomenclature of compound CH3CH2COOCH2CH3 is...
A substance which dissolves readily in organic solvent would ...
The following alloys contain copper except ...