How many protons are in one joule of light?

Answer Proton beams produced by the Petawatt laser of Livermore National Laboratory had 30 trillion protons equal to 40 joules of energy (integrated over the proton spectrum). This means that 1 joule of e... Read More »

Top Q&A For: How many protons are in one joule of light

How many protons are in Ni?

One atom of nickel has 28 protons. Each element's atomic number refers to the amount of protons and electrons contained in the atom. To find the number of neutrons, subtract the atomic number from ... Read More »

How many protons are in k-39?

K-39, like all isotopes of potassium, possesses 19 protons in its nucleus. K-39 differs from other potassium isotopes by the 20 neutrons in its nucleus. K-39 is the most common isotope of potassium... Read More »

How many protons are in O-17?

O-17 is an isotope of the element oxygen and, like all oxygen isotopes, has eight protons in its nucleus. O-17 differs from other isotopes of oxygen because of the presence of nine neutrons in its ... Read More »

How many protons are in mg?

"Mg" is the chemical symbol for magnesium. Its proton number ("atomic number") is 12, indicating that each nucleus of magnesium contains 12 protons. Magnesium is naturally abundant and is a vital c... Read More »