retest Flashcards
What is the definition of a valence shell?
It is an Outer electron shell.
Use the word “valence shell” in a sentence.
The electrons can be found on the valence shell.
What is the definition of a polyatomic ion?
It’s two or more atoms that are covalently bonded together.
Do ionic compounds dissolve in water?
Yes, they dissolve in water.
Do covalent compounds dissolve easily in water?
No, they do not dissolve in water.
Do ionic compounds conduct electricity when dissolved in water?
Yes, they do.
Do covalent compounds conduct electricity when dissolved in water?
No, they don’t.
Use “polyatomic ion” in a sentence.
An example of a polyatomic ion is OH.
why is fluorine the most reactive non metal?
It always wants to gain electrons.