Basics Flashcards
1
Q
Atom definition
A
smallest particle of an element and is made up from neutrons, protons and electrons
2
Q
Ion definition
A
an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons
3
Q
Molecule definition
A
a group of two or more atoms held together by attractive forces known as chemical bonds
4
Q
Ionic bonding happens between
A
metals, losing electrons, and non-metals, gaining electrons
5
Q
Covalent bonding happens between
A
bonding of two non-metals together
6
Q
Metallic bonding happens between
A
the atoms of metal elements
7
Q
Mass and charge of protons
A
M = 1
C = +1
8
Q
Mass and charge of electrons
A
M = almost 0
C = -1
9
Q
Mass and charge of neutrons
A
M = 1
C = 0
