1. Fill in the blanks:
a) A symbol represents the short form of an
b) A covalent compound made up of two elements is called a
molecular compound.
c) The weight of an element is equal to its
expressed in a.m.u.
d) The chemical reaction in which heat is absorbed is called
reaction
e) Formation of hydrogen chloride fom hydrogen and chlorine is an example of
reaction.
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2
Answer:
a. element
b. elementary
c. mass
d. endothermic
e. photochemical
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