Y10R - UNITS 4 AND 5 BINGO

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created 2 years ago by paulatejedor
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By:Paula Tejedor and María Serrano
updated 2 years ago by paulatejedor
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chemistry
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1

4.1) What is the chemical formula for methane?

CH4 / hydrogen carbide

2

4.1) When a compound contains a metal and a non-metal, which name goes first?

First the metal, then the non-metal

3

4.2) What is the formula of hydrogencarbonate ion?

HCO3 -

4

4.3) H2 + O2 =?

2H2O

5

4.4) What does “s”, “l”, “g” and “aq” stand for?

Solid, liquid, gas and aqueous (solution)

6

5.1) What does the symbol (A r) stand for?

Relative atomic mass.

7

5.2)How do hoy calculate the relative atomic mass?

Mass/moles

8

5.3) What does CaCO3+ 2HCl gives you as a result?

CaCl2+CO2+H2O

9

5.4) What is the molar gas volume?

The molar gas volume is the volume of a mole at room temperature and pressure

(gas=24dm3)

10

5.5) How do you calculate the % of purity?

(Mass of pure product/mass of impure product)*100