Register
A given element Q has atomic number 14 and consists of isotopes as shown isotopic mass x-28 y-29 z-30 perecentage abundance x-92.2 y-4.7 z-3.1 a.)determine the relative mass of q b.)state group and period
200k views
0 votes
A given element Q has atomic number 14 and consists of isotopes as shown isotopic mass x-28 y-29 z-30 perecentage abundance x-92.2 y-4.7 z-3.1 a.)determine the relative mass of q b.)state group and period Q belongs

User CathyQian
by
7.0k points

1 Answer

5 votes

Answer:


= (28 * 92.2 + 29 * 4.7 + 30 * 3.1)/(100) \\ = (2810.9)/(100) \\ = 28.109amu \\ period = 3 \\ group = 4

User Wheeyls
by
7.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.4m questions

11.1m answers

Other Questions

Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Link Copied!