When they gain electrons, ......1...... form ......2...... charged ......3...... .
Which row correctly completes the sentence?
123AatomspositivelyionsBatomsnegativelyionsCionsnegativelyatomsDionspositivelyatoms \begin{array}{c|c|c|c} & \mathbf{1} & \mathbf{2} & \mathbf{3} \\ \hline \mathbf{A} & \text{atoms} & \text{positively} & \text{ions} \\ \mathbf{B} & \text{atoms} & \text{negatively} & \text{ions} \\ \mathbf{C} & \text{ions} & \text{negatively} & \text{atoms} \\ \mathbf{D} & \text{ions} & \text{positively} & \text{atoms} \end{array} ABCD1atomsatomsionsions2positivelynegativelynegativelypositively3ionsionsatomsatoms1=atoms, 2=positively, 3=ions1 = \text{atoms},\ 2 = \text{positively},\ 3 = \text{ions}1=atoms, 2=positively, 3=ions
1=atoms, 2=negatively, 3=ions1 = \text{atoms},\ 2 = \text{negatively},\ 3 = \text{ions}1=atoms, 2=negatively, 3=ions
1=ions, 2=negatively, 3=atoms1 = \text{ions},\ 2 = \text{negatively},\ 3 = \text{atoms}1=ions, 2=negatively, 3=atoms
1=ions, 2=positively, 3=atoms1 = \text{ions},\ 2 = \text{positively},\ 3 = \text{atoms}1=ions, 2=positively, 3=atoms
145 exam-style questions on CIE IGCSE Physics 4.2.1a Positive and negative charge. Each one has a worked solution and a mark scheme showing where the marks go.