chap 2 Flashcards
1
Q
group 1 elements are called?
A
alkali metals
2
Q
group 2 elements are called?
A
alkaline earth metals
3
Q
group 16/6a elements are called?
A
chalcogens
4
Q
group 17/7a elements are called?
A
halogens
5
Q
group 18/8a elements are called?
A
noble gases
6
Q
groups go down or across?
A
down
7
Q
periods go down or across?
A
across
8
Q
what are diatomic elements?
A
BrINClHOF
9
Q
atomic # = ?
A
protons
10
Q
mass # = ?
A
protons + neutrons
11
Q
properties of metals?
A
shiny, conduct heat and electricity, solid at room temp (except mercury)
12
Q
molecular compounds are made up of what type of element?
A
non metals
13
Q
cation, pos or neg?
A
pos
14
Q
anion, pos or neg?
A
neg
15
Q
whats the mass, and how many protons, neutrons, and electrons are in Carbon-12?
A
mass: 12, p = 6, n = 6, e = 6
