Science Chemical Bonding Test Flashcards
1
Q
When does an atom become a positive ion?
A
When it gives away an electron or electrons
2
Q
When does an atom become a negative ion?
A
When it takes or gets an electron or electrons
3
Q
What is transferred or shared in a chemical bonds?
A
Electrons
4
Q
How do you know the amount of valence electrons an element has?
A
It’s column
5
Q
How do you determine if a bond will be an ionic or covalent bond?
A
Ionic=metal + nonmetal
Covalent=nonmetal + nonmetal
6
Q
What does a subscript affect?
A
The atom it follows
7
Q
What does a coefficient affect?
A
The molecule it stands before
8
Q
What is an ion?
A
When an atom gains or loses electrons
