Periodic Table Flashcards
1
Q
Group 1
A
Alkaline Metals
2
Q
Atoms with the same group
A
react in a similar way; are in a family
3
Q
Group 18
A
Noble Gasses
4
Q
Nonmetal properties
A
brittle , dull, poor conductors of heat and electricity, and have much lower melting and boiling points
5
Q
Proton
A
Positively charged particle in the nucleus of an atom
6
Q
Neutron
A
A subatomic particle that has no charge and that is found in the nucleus of an atom
7
Q
Electron
A
A tiny, negatively charged particle that orbits around the nucleus of an atom.
8
Q
Atomic Number
A
Number of Protons in the nucleus of an atom of an element
9
Q
Mass number
A
Total number of protons and neutrons in an atoms nucleus
10
Q
Elements
A
Pure substance that consists entirely of one type of atom
