Question

. a positively charged ion; an atom which has lost an electron
cation
2. a negatively charged ion; an atom which has gained an electron
anion
3. the compound formed by the ionic bonding of a cation and anion
pH
4. a measure of the hydrogen ion concentration in a solution
salt

Answer 1

1. a positively charged ion; an atom which has lost an electron - cation  

2. a negatively charged ion; an atom which has gained an electron - anion

3. the compound formed by the ionic bonding of a cation and anion - salt  

4. a measure of the hydrogen ion concentration in a solution - pH