It equals to plus three+3. Three electrons are removed
Usually 2 or 3
the chromium ion
lose electrons
+3
A neutral Chromium atom loses 3 electrons to become a Chromium (III) ion.
An atom that gains or loses electrons is called an ion. If it gains electrons, it results in a negative ion called an anion. If it loses electrons, it results in a positive ion called a cation.
Aluminum loses 3 electrons. Since electrons have a negative charge losing them would make the aluminum atom lessnegative, which is positive. Hence, Al+3
A positive ion. Originally atoms have a neutral charge with equal amount of electrons and protons. If atom loses electrons, it still has the same amount of protons so it becomes a positive ion
ion
A neutral Chromium atom loses 3 electrons to become a Chromium (III) ion.
an ion
An atom that loses one or more electrons becomes positively charged, because the number of protons (+) in the nucleus will outnumber the electrons (-).
An atom that gains or loses electrons is called an ion. If it gains electrons, it results in a negative ion called an anion. If it loses electrons, it results in a positive ion called a cation.
An ion.
it becomes an ion
Aluminum loses 3 electrons. Since electrons have a negative charge losing them would make the aluminum atom lessnegative, which is positive. Hence, Al+3
None.Calcium loses 2 electrons to form an ion.
Chromium lose 6 or 3 electrons.
Atoms with a positive or negative charge resulting from a loss or gain of electrons are known as ions.
A positive ion. Originally atoms have a neutral charge with equal amount of electrons and protons. If atom loses electrons, it still has the same amount of protons so it becomes a positive ion
ion