Potassium loses one electron. All Alkali metals lose one electron.
Usually three will be lost.
In the ion of barium, two electron are lost to follow the octet rule (to have a complete valence electron shell).
Only three electrons.
Because diarrhoea can cause an electrolyte imbalance (because many electrolyte products are lost in the volume of water which is lost during an episode of diarrhoea) which sometimes needs to be corrected with rehydration salts - these usually contain potassium, magnesium, some sodium and glucose. Lack of potassium can cause tiredness, heart palpitations and in the worst cases death.
Potassium typically has 20 neutrons in its nucleus.
Usually three will be lost.
Depends on their place on the Periodic Table.
the oxidation number
A charged chlorine atom, or a chlorine ion, would have gained or lost an electron. If it gained an electron, it would have a charge of -1. If it lost an electron, it would have a charge of +1.
Laborers lost many protections they had previously gained.
There is zero NET loss or gain of electrons
One electron was lost to form Cu+ from the neutral Cu atom.
In the ion of barium, two electron are lost to follow the octet rule (to have a complete valence electron shell).
You can determine how many electrons are gained or lost by looking at the atom's charge. If the atom gains electrons, it becomes negatively charged; if it loses electrons, it becomes positively charged. The difference between the atom's original and final charge tells you how many electrons were gained or lost.
Many sad porkers lost their lives... and hungry farmers gained bacon.
Only three electrons.
Many sad porkers lost their lives... and hungry farmers gained bacon.