Atoms And Elements Flashcards
1
Q
Group 2
A
Alkaline Earth Metal
2
Q
Group 7A (17)
A
Halogens
3
Q
Group 8A (18)
A
Noble Gases
4
Q
Group 3-12
A
Transition elements
5
Q
Atomic #
A
of protons
6
Q
Atomic Mass
A
of neutron + proton
7
Q
Group 1
A
Alkali metal
8
Q
Dalton Atomic Theory
A
1) matter made up of tiny particles
2) all atoms of element have same properties
3) atoms of 2+ elements combined form a compound
4) chemical reactions involve recombination of elements
9
Q
Isotope
A
Same atomic # BUT different # of neutron
