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.
▪In ionic compounds, the charge on each ion is used to determine the ________of tye
compound.
▪The Avogadro constant _________ is defined as the umber of atoms in exactly ________ of
crbon-12
▪Mass of 1 mole of a substance is called its __________.
▪The abbreviation used for length names of elements are termed as their _______.
▪A chemical formula is also known as a ________.
▪Those ions which are formed from single atoms are called _________.
▪Ionic compounds are formed by the combination between ________ an ______.
▪The valency of an ion is _________ to the charge on the ion.
▪Mole is a link between the __________ and __________.
▪The SI unit of amount of a substance is ________
Answers
Answered by
3
Answer:
1. Masses
2. Definite
Explanation:
Answered by
0
Answer:
masses
definite
polyatomic
chemical formula
I
molar mass
chemical formula
symbolic representation
molecular ions
Whereas ionic compounds are usually formed when a metal and a nonmetal combine, covalent compounds are usually formed by a combination of nonmetals.
The valency of an ion is equal to the charge on the ion. If an ion has 1 unit charge,its valency is 1 and is called monovalent ion
atom and atom
mole or mol
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