chin1
Answered

Westonci.ca is the premier destination for reliable answers to your questions, provided by a community of experts. Experience the ease of finding quick and accurate answers to your questions from professionals on our platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

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


Sagot :

Number 1 is..Boron 
Number 2 is ..35
Thank you for trusting us with your questions. We're here to help you find accurate answers quickly and efficiently. We appreciate your time. Please revisit us for more reliable answers to any questions you may have. We're dedicated to helping you find the answers you need at Westonci.ca. Don't hesitate to return for more.