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Sketch an atom. Label the nucleus and the electrons
Atom
What is the relative mass of a neutron
1
True or false? Elements only contain atoms with the same number of protons
True
What is the relative charge of a proton?
+1
Define relative atomic mass
An average mass taking into account the different masses and abundances of all the isotopes that make up the element
How similar are the properties of a compound to the elements that it’s made from
They are totally different from the properties of the original element
Give the formula for Carbon Dioxide
CO₂
Give the formula for Sodium Carbonate
Na₂CO₃
Give the formula for Hydrochloric Acid
HCl
Balance the equation: Mg + O₂ → MgO
2Mg + O₂ → 2MgO
Balance the equation: H₂SO₄ + NaOH → Na₂SO₄ + H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
Note
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