all of ch 4 Flashcards
1
Q
What is the atomic number and where is it?
A
Number of protons. On top of symbol.
2
Q
What is the atomic mass and where is it?
A
Protons + Neutrons. Bottom of symbol.
3
Q
Vertical rows are…
A
groups
4
Q
Horizontal rows are…
A
periods
5
Q
Chalcogens are group…
A
16
6
Q
Halogens are group…
A
17
7
Q
Noble gases are group…
A
18
8
Q
Transition metals are groups…
A
3-12
9
Q
Alkali metals are group…
A
group 1 except Fr and H
10
Q
Alkaline earth metals are group…
A
2
11
Q
Cations are…
A
positive
12
Q
Anions are…
A
negative
13
Q
Formula units are…
A
simplest whole number ratio
14
Q
Metalloids are where?
A
All along the zig zag
15
Q
Lanthanides are where?
A
top row of bottom set
