MATCH: ELEMENTS & LATIN NAMES
FILL IN THE BLANKS:-
During a chemical reaction, the sum of the of the reactants and products remain unchanged.
In a pure chemical compound, elements are always present in a proportion by mass.
Clusters of atoms that act as an ion are called ions.
MATCH: ELEMENTS & LATIN NAMES
FILL IN THE BLANKS:-
The valency of an ion is to the charge on the ion.
The SI unit of amount of a substance is .