R3.1
S3
100

A common example of a strong acid commonly used in school labs.

What is HCl?

100

This is the distance from the nucleus to the outermost occupied electron shell in an atom.

What is atomic radius?

200

Formed when an acid loses a proton.

What is a conjugate base?

200

The oxidation state of Sulfur in H₂SO₄ is this value.

What is plus 6? 

300

HCl + NaOH -> NaCl + H2O is an example of this type of reaction.

What is a neutralisation reaction?

400

If pH=5, this is the hydrogen concentration.

??? 1.0x10^-4 mol dm^-3

500

The pOH of a solution with (OH)^- =1.0x10^-4 mol dm^-3.

What is pOH 4?

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