1.1-1.5 Flashcards
1
Q
Definition of mass number
A
Th number of protons and number of neutrons.
2
Q
Definition of atomic or proton number
A
Number of protons
3
Q
Ionic bond definition
A
An ionic bond is the electrostatic attraction between oppositely charged ions.
3
Q
Isotopes definition
A
Atoms that have the same number of protons in the nucleus but different number of neutrons.
3
Q
Definition of Relative Atomic Mass (Ar)
A
The average mass of an atom of an element relative to 1/12th the mass of an atom of carbon 12.
4
Q
Definition of Covalent Bonding
A
The strong electrostatic attraction between a shared pair of electrons and the nuclei of bonded atoms.
