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Periodic Table and Atoms Flashcards | StudBud
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Periodic Table and Atoms
Periodic Table and Atoms
12 terms
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Using periodic table
Flashcards
12 cards
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Questions
12
Answers
1
The number of protons is equal to
atomic number - atomic mass
atomic mass
atomic mass - atomic number
atomic number
2
The number of electrons in a stable atom is equal to
atomic mass - atomic number
atomic number
atomic mass
atomic number - atomic mass
3
Use the oxygen box from a periodic table -how many electrons are in each level?
1,7
4,4
2,6
2,8
4
How many protons does F ( flourine ) have?
9
8
19
10
5
If an element is in the 3rd period it will have
3 energy orbitals
3 valence electrons
3 neutrons
3 protons
6
Elements that do not form ions are
have full outer shells
have 1 valence electrons
stable
7
The noble gasses
all of these
are in group 18
do not bond with other elements
have full outer shells
8
The number of neutrons is equal to
atomic number - atomic mass
atomic mass
atomic mass - atomic number
atomic number
9
The periodic table has mostly
metals
liquids
non metals
metalloids
10
An atom with a different number of neutrons is a(n)
noble gas
ion
can't happen
isotope
11
The place where the red and blue dots are is called the
atom
proton
orbit
nucleus
12
An atom with 3 protons and 2 electrons will
have a -1 charge
have no charge
have a +2 charge
have a +1 charge
