If one mole of carbon contains x atoms then the number of atoms in 12g of Mg are
A science that examines the material this universe contains and changes in them is called
The molecular mass of glucose is
Negatively charged ions are called
The number of atoms of hydrogen in 2 moles of NH3
Compounds have atoms of
An oxide ion has -2 charge because
Which of the following is present in vinegar?
The molecular formula gives
6.022 * 1023 atoms of Sulphur contains
An ionic compound is electrically
Gram molecular mass of C6H12O6 is
The mass of carbon present in 44g of carbon dioxide is
The substance which has a formula mass of 133.5 amu is
The gram atomic mass of Zn is
A substance whose all atoms have the same atomic number is
The relative atomic mass of Na is
The mass of an atom relative to C-12 is
In glucose the simplest ratio between C, H and O is
The formula mass of NaCl is