elements compounds and chemical changes

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what kind of element is conductive for electricity
metals
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what always happens when chemicals react
a new substance is formed
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what is different about compounds and the elements they are made of
they will have different properties like higher boiling points or can bend easier
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all compounds ca be identified by a a formula like ZnC what would be in this compound
zinc carbonide
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what small particles is the entire universe made of
atoms but all elements are made of a different kind of atom
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how many elements are there in the periodic table?
there are 114 elements but there is an element number 116 but 115 and 113 have been missed out
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what element has the symbol Gd?
Gadolinium
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which two elements are liquids at room temperature?
mercury and bromine
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what is a good way to test if an element is a metal or not is if it is conductive. what non metal is also conductive
carbon in graphite form
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magnetism is not a good way to test if something is a metal or not. what metal is always magnetic but most of the others arent
Iron
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what table displays all of the elements?
the periodic table
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what is sulfur and what spelling does it have?
sulfur is a non metal solid that smells like eggs and is a powdery substance. the spelling was changed from sulphur to sulfur.
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what is oxygen?
oxygen is a gas that is completely transparent and some of the air we breathe consists of it
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how is a compound made
a chemical reaction.
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what are the obvious signs of a chemical reaction?
bubbling, energy change, colour change, a precipitate forms, explosion and something new is formed.
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when are compounds allowed to have ATE instead of IDE on the end if their name?
when there is oxygen in the compound.
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what is a good way to split several compounds?
using an electrical circuit with electrodes.
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Other cards in this set

Card 2

Front

what always happens when chemicals react

Back

a new substance is formed

Card 3

Front

what is different about compounds and the elements they are made of

Back

Preview of the front of card 3

Card 4

Front

all compounds ca be identified by a a formula like ZnC what would be in this compound

Back

Preview of the front of card 4

Card 5

Front

what small particles is the entire universe made of

Back

Preview of the front of card 5
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