4.2 Why do atoms form bonds? Flashcards
1
Q
Why don’t noble gases form bonds?
A
The atoms have a very stable arrangement of electrons in the outer shell. This makes the noble gases unreactive.
2
Q
Why do atoms form bonds?
A
Atoms bond with each other to gain a stable arrangement of outer-shell electrons, like the atoms of Group VIII.
3
Q
How many valence elctrons does an atom need to be stable?
A
2 or 8.
4
Q
What is a positive ion?
A
An atom with a positive charge, an tom with more protons than electrons.
5
Q
What is a negative ion?
A
An atom with a negative charge, an atom with more electrons than protons.
6
Q
What is an ion?
A
An ion is a charged particle. It is charged because it has an unequal number of protons and electrons.
