Y10D-UNIT 4 & 5 BINGO

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chemistry
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1

In a giant structure, what tells you the ratio of ions or atoms in a compuond

The formula

2

what is the difference between molecular and empirical formula

Molecular tells you the exact number of atoms they present and empirical simplifies the amount of atoms there is

3

Which are the 4 compuonds you need to learn by hard

Hydrogen

Nitrate

sulfate

carbonate

4

tell me of what this compounds are made

1-Silver sulphide

2-Phosphorus hydride

3-Lithium iodide

4-Magnesium nitrate

5-Hydrogen carbonate

1-silver and sulphur

2-phosphorus and hydrogen

3-lithium and iodine

4-magnesium,nitrogen and oxygen

5-hydrogen,carbon and oxygen

5

What does a chemical equation do?

they show the number and type of atoms in the reactants and products, but this does not take into account the mass of each atom

6

In neon sulfide, how many atoms of each element are there?

neon is a noble gas so it cant react

7

what is the molecular formula of methane

CH

8

what element scientists use to compare to other elements to know the relative atomic mass

Carbon-12

9

how many moles of lithium are there in 6g of lithium?

6/7=0.857 moles

10

how much grams of water will you get if there is 7g of methane, knowing 16g=36g of water?

7/16 X 36=15.75