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5/80 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Atoms
Atoms of the same element that have different numbers of neutrons are called:
A solution of sugar in water is an example of:

What is the relative molecular mass or relative formula mass of ammonium sulphate [(NH4)2SO4]?

How many neutrons are in an atom of Carbon-14 (¹⁴₆C)?

The natural isotopic abundances of the isotopes of chlorine; 3517Cl and 3717Cl as percentages are; 75% and 25% respectively. What is the RAM of Chlorine?