The atomic mass of the elements increases as you move left to right and top to bottom on the Per....
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The atomic mass of the elements increases as you move left to right and top to bottom on the Per. Table Wo has greatest atomic mass, Bo the least Bo, Wo, J, L Noble gases are in group 18 They are noble gases Bo, Wo, J, L What did you learn ? Clue Alien Element
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Transcript of The atomic mass of the elements increases as you move left to right and top to bottom on the Per....
The atomic mass of the elements
increases as you move left to right and top to bottom on the Per. Table
Wo has greatest
atomic mass, Bo the least
Bo, Wo, J, L
Noble gases are in group
18
They are noble gases
Bo, Wo, J, L
What did you learn ?Clue
Alien Element
-Atoms can gain or lose electrons
-The # of electrons an atom will gain, lose or share is determined by the group that it is in.
Non-metals who typically gain or share one electron
A, V, Kt
Reactivity decreases as
you move from left to right on the Per. Table
They are the most reactive
groupX, By, Ch, Q
What did you learn ?Clue
Alien Element
The number of protons is equal to the
atomic #
T has more protons than
HiT
Metalloids are located between
the metals and the non-metals along
the zigzag line.
They are metalloids
E, Hi, T, Ss
What did you learn ?Clue
Alien Element
Table salt is made of NaCl
Kt and By make table
saltKt and By
The atomic mass (lightness or
heaviness) increases as you move left to right and down the
periodic table
Pf is the lightest
element, El is the heaviest
Pf, El
What did you learn ?Clue
Alien Element
Carbon is important in the chemistry
of life
Fx is important in the chemistry
of life
Fx
The number of protons is equal
to the atomic number on the periodic table
Do has 4 protons
Do
What did you learn ?Clue
Alien Element
As you move across the periodic table from left to right,
the number of electrons increases
in each period
G has less electrons than M
M, G, Ss
The further to the right you move on the periodic table, the less reactive the element is
R is less reactive than
DoR, Do
What did you learn ?Clue
Alien Element
Diatomic = 2 atoms hanging out together.
Oxygen hangs our as O2
It’s a diatomic molecule
Nu
Elements on the right side of the periodic table gain electrons (except for the
noble gases)
They all gain 2 electrons
Up, Oz, Nu
What did you learn ?Clue
Alien Element
Atoms on the left side of the periodic table
tend to lose electrons
They lose 2 electrons
Z, Pi
The number of electrons =
the atomic number
An has 49 electrons
An
What did you learn ?Clue
Alien Element
Mg is used in flashbulbs
Z is used in flash bulbs
Z
What did you learn ?Clue
Alien Element
