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19.B is the chemical symbol of which element? Boron Boring Balkite Beryllium 20.Zinc (Zn) has an atomic number of 30 and an atomic mass of 65. How many neutrons does a stable atom of Zn have? 30 35 60
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19.B is the chemical symbol of which element?

Boron
Boring
Balkite
Beryllium

20.Zinc (Zn) has an atomic number of 30 and an atomic mass of 65. How many neutrons does a stable atom of Zn have?

30
35
60
95

User Mikkel Rev
by
7.8k points

1 Answer

3 votes
Number 1 is..Boron
Number 2 is ..35
User Wiktor Kozlik
by
9.0k points
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