Periodic Table
How Many Groups are in the Periodic Table
C+S8=CS2
_4__ C + _1__ S8 = _4__ CS2
where one compound breaks down into two or more simpler elements or compounds
Decomposition
How many valence electrons can be around 1 element ?
What did dmitri Mendelev create?
The periodic Table
found on the left side of the arrow
Reactant
What happens in a combustion reaction?
a very fast reaction between a hydrocarbon and oxygen
what is the rule used in lewis structures called
Octet rule
what number tells you the amount of protons and electrons
Atomic Number
found on the right side of a triangle
product
single replacement reaction in the form of an equation
A + BC → B + AC where A is a metal or A + BC → C + BA where A is a nonmetal
Valence electrons without bonding or sharing
Lone Pair
Which element has an atomic mass of 114.82
In- Indium
what is a subscript
the small number that shows the number of atoms in each element in a compound
synthesis reaction in the form of an equation
A + B → AB
elements are defined by the number of ... they have
Protons
Are protons Positive or Negative
Positive
where two elements chemically combine to form one new compound.
Synthesis
decomposition reaction in the form of an equation
AB → A + B
Draw NH3
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