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8.5 ABC Periodic Table and Atomic STructure Flashcards | StudBud
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8.5 ABC Periodic Table and Atomic STructure
8.5 ABC Periodic Table and Atomic STructure
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Review for Checkpoint 1
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
Which property does not describe metals?
on the left side of the table
ductile, malleable
good conductors of heat and electricity
brittle
2
Which group of metals are the most reactive?
Group 18 Nobel Gases
Group 17 Halogens
Group 2 Alkali Earth Metals
Group 1 Alkali Metals
3
The smallest part of an element that has the properties of the element describes ________.
an electron
a proton
an atom
a neutron
4
Elements in the same group have the same_________.
number of protons
number of valence electrons
number of energy levels
reactivity
5
How many energy levels does it have?
1
12
3
11
6
How do you feel about making an 80 or above on the checkpoint?
I will need tutorials!
I will make an 80 or above!
I am ready to make a 100!
I will pass!
7
Elements in a period have the same number of ___________.
energy levels
neutrons
valence electrons
protons
8
What element am I?
Boron
Helium
Carbon
Lithium
9
Which label represents groups?
2
1
10
Which two subatomic particles make up the atomic mass of an atom?
protons + electrons
protons + neutrons
neutrons + electrons
protons + neutrons + electrons
11
What do these elements have in common?
on the same period (row)
in the same group (column)
same number of protons
highly reactive
12
What group is this atom in?
1
3
12
11
13
How many valence electrons does this atom have?
2
12
11
1
14
As a result of the modern atomic theory, we know that ________.
the electrons orbit in a predictable pattern
positive charges surround negative charges.
neutrons are positive
electrons move in an electron cloud.
15
Which group has a full or closed outer electron shell? They are the only stable group.
Group 18 Nobel Gases
Group 1 Alkali Metals
Group 2 Alkaline Earth Metals
Group 17 Halogens
