Question

a.A _ is an abbreviation of the name of the element
b.The symbol of boron is _
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Answer 1

Elements with a symbol starting with A are:

Ar(Argon), As(Arsenic), At(Astatine).

Answer:

a. A Symbol is an abbreviation of the name of an element.

b. The symbol of Boron is "B"

Answer 2

Answer:

a.A boron is an abbreviation of the name of the element.

b.The symbol of boron is b.