Bio Final Study Guide Flashcards
1
Q
Atomic Number
A
the number of protons
2
Q
Mass Number
A
The number of protons and nuetrons
3
Q
Isotopes
A
Two versions of an atom that have an equal number of protons but an unequal number of nuetrons in their nuclei
4
Q
Electronegativity
A
The strength of an atoms pulling force on an electron
5
Q
Ionic bonds
A
When electronegativity is so different that one atom strips an electron from the other
6
Q
Cation
A
an ion with a positive charge
7
Q
Anion
A
An ion with a negative charge
8
Q
Hydrogen Bonds
A
The attraction between the partial positive and partial negative charges
