Number protons equal to atomic number. So the element is Helium
It is the Sr+2 ion. It is formed by a Sr atom.
The atomic number always equals to the number of protons. which in this case, is 20
35 protons, 36 electrons
anions have more electrons than protons
61 neutrons 10 electrons 46 protons
The symbol of an ion is determined by the number of protons and electrons. With 50 protons and 48 electrons, this ion has a +2 charge (50 protons - 48 electrons = +2 charge). Therefore, the symbol would be written as Sn2+.
What is a symbol of 50 protons and 46 electrons?
The ionic symbol with 4 protons and 2 electrons is Be2+, which represents the beryllium ion. Beryllium normally has 4 protons and 4 electrons, but when it loses 2 electrons to become stable, it forms the Be2+ ion.
Ti2- would be the symbol for an ion with 22 protons and 24 electrons. This would be EXTREMELY unlikely to exist though. Ti2+ is more usual with 22 protons and 20 electrons. Ti4+ is even more stable with 22 protons and 18 electrons.
Look at the periodic table. You see that the element that has 16 protons is Sulfur. Electrons have a single negative charge, while protons have a single positive charge, so an ion with 2 more electrons than protons will have a charge of 2-. So, the symbol of the ion would be S2- .
The symbol for this ion is As3-. The charge is 3- because there are three more electrons than protons.
find the difference between the number of electrons and protons, and then find whether protons(+) or electrons(-) are more abundant. if the difference was 2, for example, and there were (2) more protons than electrons, the charge would be written as: chemical symbol 2+
The alpha particle is a helium nucleus. Its symbol is 24He2+, meaning 2 protons, 2 neutrons, and no electrons.
S for sulfur because the number of protons tells you the atomic number with is 16 and 16 is sulfur. The electrons means it is an ion with two more electrons than protons. The neutrons have no charge but add mass to the element.
Magnesium, with a +2 charge.
The chemical symbol for an ion with 31 protons, 39 neutrons, and 28 electrons is ^70Ga3+. This represents gallium with a charge of +3 due to the loss of 3 electrons.
The symbol for the ion with 8 protons, 9 neutrons, and 10 electrons is ^17O.