Periodic Table and Reactions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is group 1 called? | alkali metals
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| What is group 2 called? | alkaline earth metals
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| What is group 3-12 called? | Transition metals
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| What are the two rows below the Periodic table called? | Lanthanide and actinide series
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| What is group 17 called? | Halogens
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| What is group 18 called? | Nobel gases
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| How many valence electrons are there in each group? | Group 1=1, 2=2, 3-12=varies, 13=3, 14=4, 15=5, 16=6, 17=7, 18=8
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| Group direction | vertical
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| Period direction | horizontal
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| These types of elements are also called semiconductors. | metalloids
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| What type of element makes up most of the periodic table | metals
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| Endothermic reactions begin by | taking in energy/heat
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| Exothermic reactions end by | releasing heat/energy
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| Reactants are | elements/compounds that chemically combine
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| Products are | results of the reactants
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| A synthesis reaction occurs when | two reactants make one product
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| A decomposition reaction occurs when | one reactant makes two products
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| A combustion reaction occurs when | carbon dioxide and water are products
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| A physical change | does not change the chemical composition of the substance
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| Ions | positively or negatively charged atoms.
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| What determines how an element reacts? | valence electron number
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| Period number is the same as | number of energy levels
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| Chemical reactions create | new substances
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| What are the charges of all the subatomic particles? | electrons-negative
protons-positive
neutrons-neutral
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| What is an element? | A pure substance that cannot be broken down by chemical means.
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| Atomic number is the same as | number of protons
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| Atomic mass number is found using | the number of protons and neutrons
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| Balance this equation | CH4 + O2 CO2 + 2 H2O
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| What is oxidation number? | How many electrons an elements loses or gains in a chemical reaction.
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| What compound would sulfur (oxidation number of -2) and Lithium (oxidation number of +1) make? | L2S
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
evroman
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