Lecture 4: The atom Flashcards
1
Q
atoms are made up of
A
subatomic particles
2
Q
metals properties
A
-conduct heat and electricity
-malleable (hammer)
-ductile (wire)
-shiny solid at room temp (not Hg)
3
Q
non metal properties
A
-poor conduction
-gases at room temp
4
Q
metalloids properties
A
properties of metals and nonmetals
5
Q
Group 1
A
Alkali Metals
6
Q
Group 2
A
Alkaline Earth Metals
7
Q
Group 16
A
Chalcogens
8
Q
Group 17
A
Halogens
9
Q
Group 18
A
Noble Gases
10
Q
neutral atoms
A
protons # = electron #
11
Q
proton & neutron size
A
50,000x smaller than atom
12
Q
electrons size
A
2,000x less mass than protons
13
Q
coulumbs law of electrostatic interaction
A
opposites attract
14
Q
charges and force of attraction are
A
directly proportional
15
Q
distance and force of attraction are
A
inversely proportional
