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Chemistry: Periodic Table Flashcards | StudBud
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Chemistry: Periodic Table
Chemistry: Periodic Table
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#chemistry #periodictable
Flashcards
22 cards
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Practice quiz
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Questions
22
Answers
1
Period number is equal to...
Total # neutrons
# energy levels
# valence electrons
Total # electrons
2
An element in group 18 (the group on the far right of the periodic table) is...
stable or "happy"
reactive
3
Which is the most reactive element?
Li
Fr
Na
K
4
Group 7?
Alkali metals
Alkali earth metals
Noble gases
Halogens
5
Which group are known as the noble gases?
1
7
8
2
6
Group number is equal to the....
# energy levels
Total # electrons
# ions
# valence electrons
7
Which of the following are liquid at room temperature?
Br
Hg
I
Cl
8
As you move down group 1 alkali metals the reactivity...?
Stays the same
Decreases
Increases
9
Columns are called?
Groups
Periods
Columns
Rows
10
An element is "happy" when its outer energy shell is filled with electrons.
True
False
11
Which of the following is NOT an indicator of a chemical reaction?
Precipitate formation
Heat produced
Color change
Changing from solid to liquid
12
Which of the following is NOT a property of metals?
Conducts heat and electricity
Malleable
Ductile
Less reactive
13
H is the _____ for Hydrogen.
Element Name
Atomic Mass
Atomic Number
Atomic Symbol
14
Two elements in the same period have...
the same number of energy shells
the same number of valence electrons
15
Which of the following are metalloids?
Ge
P
Si
Al
16
Group 1 is called...
Alkali metals
Noble Gases
Alkaline earth metals
Halogens
17
Group 2 metals have ...
Two orbitals
Six orbitals
Six valence electrons
Two valence electrons
18
An element is highly reactive when...
It has one valence electron
It has 11 protons
It is a non metal
It has a lot of valence electrons
19
The majority of the elements in the periodic table are...?
Not elements
Non-metals
Metalloids
Metals
20
Rows are called?
Periods
Rows
Columns
Groups
21
Group 2 is called?
Alkali metals
Alkaline earth metals
Halogens
Noble gases
22
Group 1 elements have...
Similar Properties
Eight valence electrons
One electron
Five energy shells
