asked 186k views
1 vote
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

1 Answer

3 votes
Number 1 is..Boron
Number 2 is ..35
answered
User Wiktor Kozlik
by
8.9k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.