Y10R - UNITS 4 AND 5 BINGO
4.1) What is the chemical formula for methane?
CH4 / hydrogen carbide
4.1) When a compound contains a metal and a non-metal, which name goes first?
First the metal, then the non-metal
4.2) What is the formula of hydrogencarbonate ion?
4.3) H2 + O2 =?
4.4) What does “s”, “l”, “g” and “aq” stand for?
Solid, liquid, gas and aqueous (solution)
5.1) What does the symbol (A r) stand for?
Relative atomic mass.
5.2)How do hoy calculate the relative atomic mass?
5.3) What does CaCO3+ 2HCl gives you as a result?
5.4) What is the molar gas volume?
The molar gas volume is the volume of a mole at room temperature and pressure
5.5) How do you calculate the % of purity?
(Mass of pure product/mass of impure product)*100