Atomic Structure Flashcards
1
Q
Element
A
Pure substance made from 1 type of atom
2
Q
Mixture
A
Different substances not chemically bonded
3
Q
Compound
A
2 or more different elements ,chemically bonded together
4
Q
Isotopes
A
A version of an element with a different number of neutrons but the same number of protons and electrons
5
Q
What do the boiling points of noble gases increase with
A
Increasing relative atomic mass
6
Q
What do atoms contain
A
Protons neutrons and electrons
7
Q
Atomic number
A
Number of protons
8
Q
Mass number
A
Number of protons + neutrons
9
Q
Number of electrons
A
Atomic number
10
Q
Positive ion
A
Negatively charged
11
Q
Negative ion
A
Positively charged
12
Q
Ion
A
An atom or group of atoms that has lost or gained electrons
