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30 Terms
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1
Reactant
A chemical substance that is present at the start of a chemical reaction
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2
product
A substance produced in a chemical reaction
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3
Element
A pure substance made of only one kind of atom
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4
Compound
A substance made up of atoms of two or more different elements joined by chemical bonds
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5
Mixture
A combination of two or more substances that are not chemically combined
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6
Elements on the left hand staircase of the periodic table are
metals
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7
Elements on the right hand side of a periodic table are
non-metals
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8
Staircase between non metal and metal starts at which group
3
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9
What is between group 2 and 3 in the periodic table
transition metals
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10
Proton
positively charged particle in an atom
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11
What periodic table group has no charge
Group 0
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12
Which periodic table group is odd and what is its charge?
Group 4 and it's charge it 4+/4-
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13
When naming a compound consisting of metals and non-metals what comes first?
The name of the metal
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14
What happens to the name of a non-metal when writing compound with just 2 elements?
The ending is changed to "ide"
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15
What happens to the ending of a non metal when writing a compound containing two or more elements one of which is oxygen?
The ending is changed to "ate"
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16
ionic compound
Compounds that's are made up of metals and non metals.
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17
How are ions formed?
When atoms lose or gain electrons (charged)
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18
How are ion charges determined
By the particles of the periodic table
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19
periodic table groups
How elements are arranged in vertical columns.
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20
Charges of a transitional metal
The charges vary and is identified using Roman numerals
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21
Zinc(II) charge
2+
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22
polyatomic ion
An ion containing more than one atom.
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23
What is the overall charge of an ionic compound?
0 or neutral- number of positive charges equal to the number of negative charges.
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24
Formulae of ionic compounds
Find what the lowest number of each ion is needed for the charges to cancel out.
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25
How to write the formula for an ionic compound:
write the symbol for your metal first, then your nonmetal second excluding the cancel of ions
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26
What happens if there are more than one of any ions in an ionic formula?
Write the number of ions in the bottom right corner of the element.
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27
Balancing Equations
making sure the same number of atoms from each element matches on both sides of the arrow sign.
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28
When balancing equations...
You should never change the formula of a substance but instead add numbers in front of a formula.
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29
Ion
An atom with a positive or negative electric charge (+/-)
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30
Molecule
A group of bonded atoms.
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