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Atomic Structure and Periodic Table Flashcards | StudBud
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Atomic Structure and Periodic Table
Atomic Structure and Periodic Table
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PS.3 and PS.4
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Answers
1
a substance made of two or more elements
chemically combined
in a specific ratio, or proportion
molecular compound
compound
ionic compound
2
the
negatively
charged particles found in all atoms
electron
proton
neutron
3
How many elements are on the periodic table?
1180
52
118
Over 500
4
The periodic table is arranged by...
Atomic number
Atomic mass
Bitoic mass
Biotic number
5
What does a group on the periodic table show?
How many electrons an atom has.
How many valence electrons an atom has.
How much an atom weighs.
How many orbitals an atom has.
6
a
symbol
that shows the elements in a compoundand the
ratio
of atoms
Electron Dot Diagram
Electron Cloud
Chemical Formula
Bohr Model
7
What does a period on the periodic table show?
How many valence electrons an atom has.
How many electrons an atom has.
How many electron shells an atom has.
How much an atom weighs.
8
Groups on the periodic table are arranged
in rows
in columns
9
There are ___ naturally occurring elements.
6
98
♾
77
10
the
positively
charged particles found in all atoms
proton
neutron
electron
11
Who created the periodic table?
Galileo Galilei
Dimitri Mendeleev
Albert Einstein
Isaac Newton
12
Periods in the periodic table are...
columns
rows
13
the electrons in the
outermost
energy level of an atom
valence electron
electron
ion
proton
14
the
neutral
particles found in atoms
electron
neutron
proton
15
Most elements on the periodic table are metals
True
False
