The element fluorine has 9 protons and 9 electrons. It is element number 9 on the periodic table and has a molar mass of 18.9 grams/moles. More »

Atoms of zinc all have 30 protons in their nuclei. The proton count of an element is equal to its atomic number, which is listed in the upper-left corner of the element's box on the periodic table of elements. More »

Lithium, a member of the alkali metals, has three protons, three electrons and four neutrons. It has an atomic weight of 6.941 atomic mass units and is a solid at room temperature. More »

Iodine has 74 neutrons, 53 protons and 53 electrons, giving it an atomic mass of 126.9. While solid at room temperature with a density of 4.93 grams per cubic centimeter, iodine melts at 236.7 degrees Fahrenheit and boil... More »

Isotopes of the same element have the same number of protons and electrons when in neutral atomic form. Different isotopes have different numbers of neutrons in their nuclei, resulting in different atomic weights for the... More »

Titanium has an atomic number of 22, which means it has 22 protons and 22 electrons. About 73.8 percent of natural titanium exists as the isotope Ti-48, which contains 26 neutrons. Titanium is a transition metal with the... More »

In it's three stable configurations, silicon is made up of 14 protons, 14 to 16 neutrons, and 14 electrons. There are 20 other isotopes of silicon that feature anywhere from 8 to 30 neutrons. However, all but two of thes... More » Science Chemistry Atoms & Molecules