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Periodic Table
Periodic Table
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Periodic Table
Flashcards
22 cards
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Questions
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Answers
1
Metals are located to the ______ of the "stairs."
Bottom
Middle
Left
Right
2
The number of valence electrons determines
reactivity
conductivity
density
atomic mass
3
This is the most reactive group on the periodic table.
Alkali Metals
Alkaline Earth Metals
Halogens
Noble Gases
4
How many valence electrons does Lithium (Li) have?
4
2
1
3
5
Silicon is a
metalloid
nonmetal
metal
6
The periodic table is horizontally arranged by the number of
Energy levels
Valence Electrons
Electrons
Protons
7
These do not follow the normal rules of counting valence electrons.
non metals
Earth metals
metalloids
Transition metals
8
What group/family is Beryllium (Be) in?
2
1
9
4
9
What period is Potassium (K) in?
1
3
2
4
10
How many orbitals does Na have?
2
3
1
4
11
This group has 3 valence electrons.
Alkali Metals
Carbon Family
Boron Family
Noble Gases
12
The vertical columns are also called
Groups/families
Cousins
Periods
Rows
13
How many valence electrons does H have?
1
2
8
4
14
Developed the 1st version of the periodic table:
Aristotle
Dmitri Mendeleev
Henry Mosely
Democrittus
15
How many valence electrons does He have?
2
1
4
8
16
How many valence electrons does Na have?
2
23
11
1
17
How many valence electrons does Mg have?
2
12
1
24
18
This group's elements all have a full outer shell.
Oxygen family
Alkali Metals
transition metals
Noble Gases
19
How many orbitals does He have?
4
3
1
2
20
Groups are vertically arranged on the periodic table by:
Atomic number
Valence Electrons
Protons
Atomic Mass
21
__________ are good conductors of heat and electricity.
Nonmetals
Metals
Metalloids
Atoms
22
How many energy levels does Mg have?
2
4
3
1
