AQA GCSE CHEM C1 Atomic Structure & Periodic table MCQs

Front

Which element has an atomic number of 16?

Back

sulfur

Front

Which subatomic particle has a negative charge?

Back

electron

Front

Which element has a relative atomic mass of 56?

Back

iron

Front

How many protons are there in an atom of sodium?

Back

11

Front

Which model of the atom is described as a ball of positive charge with negative electrons embedded in it?

Back

plum pudding model

Front

What is the balanced symbol equation for the reaction between magnesium and oxygen?

Back

2Mg + O2 => 2MgO

Front

Solvent

Back

The substance in which a solute dissolves.

Front

What is the electronic structure of an atom of nitrogen?

Back

2, 5

Front

Lithium exists naturally as two isotopes, 6Li and 7Li. The abundance of 6Li is 8% and the abundance of 7Li is 92%. What is the relative atomic mass of lithium to 3 significant figures?

Back

6.92

Front

Trend in reactivity of Group 7 elements?

Back

The reactivity of the elements decreases as you move down the group.