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8.What is the formula for the ionic compound formed by the ions K+

/in /by

8.What is the formula for the ionic compound formed by the ions K+ and Cl−

Question 8 options:

Multiple Choice

1.KCl2

2.KCl

3.K2Cl2

4.K2 Cl4

Question 9 (4 points)

What is the formula for the ionic compound formed by Mg2+ and Cl−

−

Question 9 options:

Multiple Choice

1.MgCl

2.Mg3Cl2

3.MgCl2

4.Mg2Cl2

Question 10 (6 points)

What are the atomic number, mass number, and element formed when polonium-218 emits a beta particle? What are they if the polonium emits an alpha particle?

Question 10 options:

Multiple Choice

A. At-218, Pb-214

B. At-218, Pb-212

C. At-218, Pb-211

D. At-218, Pb-210

 
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