Identify the number of valence electrons for Mg. A) 8 B) 7 ...

[robinn137]

Identify the number of valence electrons for Mg.
 
  A) 8
  B) 7
  C) 5
  D) 2

Question 2

What is the difference between a physical property and a chemical property? Give an example of each.
 
  What will be an ideal response?

[Sweetkitty24130]

Answer to Question 1

D

Answer to Question 2

A physical property is one that a substance displays without changing its composition, whereas a chemical property is one that a substance displays only by changing its composition via a chemical change. Physical properties include color, appearance, melting point, boiling point, and density. Chemical properties include corrosiveness, flammability, acidity, and toxicity.

[robinn137]

Thanks

[Sweetkitty24130]

Welcome