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Periodic Table! Flashcards | StudBud
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Periodic Table!
Periodic Table!
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8th grade chemistry
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
What is the basic building block of an element?
Electron
Atom
Matter
Proton
2
A proton has a _______ charge
Negative
Positive
Electric
Neutral (No Charge)
3
The _____ number is the amount of protons and electrons in an atom.
Jersey
Atomic
Mass
Phone
4
There can be up to ____ electrons in the 2nd energy shell.
2
8
4
18
5
The transition metals are in which family(ies)
13-15
18
1
3-12
6
Periods are the ______ rows in a periodic table.
Zig-zag
Vertical
Horizontal
Diagonal
7
We cannot find Alkaline Earth Metals freely in nature.
True
False
8
A malleable metal means?
it has a high melting point
it conducts electricity
It can be shaped with pressure
it is very reactive
9
An atom is made up of proton, electron, and ________
Matter
DNA
Neutron
Oxygen
10
The Noble Gases are very reactive.
True
False
11
The atomic mass (mass number) of an element is equal to ______
# protons
# of electrons
# of neutrons+protons
# of electrons+protons
12
The periodic table has vertical columns called ________
Rows
Periods
Tables
Groups/ families
13
Electrons are in the nucleus.
False
True
14
What element is in group 16, period 3
Magnesium
Oxygen
Carbon
Sulfur
15
Alkali Metals are know to be the least reactive metals on the periodic table.
True
False
