To find the amount of protons in an atom, you simply look at the atomic number. For example, if the question was, "how many protons are in an atom of carbon", you look at the Periodic Table and see that carbon is the atomic number six, therefore your answer would be six.
The number of protons in an atom is the same as the atomic number of the element of which the atom is an example.
A potassium-39 atom has 19 protons since the atomic number of potassium is 19.
Helium is a non metal element. There are 2 electrons in a single atom.
Phosphorus has 15 protons.
If the atomic number of an atom is 6 it means that the atom has 6 protons, the mass number on the other hand is the total amount of protons and neutrons in the atom. ( Remember- the amount of protons equals the amount of electrons). So for example if you wanted to find out the amount of neutrons in an atom, you would subtract the atomic number from the atomic mass for the answer. (Whole-protons=neutrons)
The amount of protons in an atom is its atomic number
The smallest quantity of an element is an atom.
To find the amount of valence electrons in an atom, look at the group number on the periodic table. The group number tells you how many valence electrons an atom has. For example, elements in group 1 have 1 valence electron, elements in group 2 have 2 valence electrons, and so on.
The total amount of protons and neutrons in an atom is its mass number.
In an atom of an element, the amount of protons in that atom equal the amount of electrons in the atom, but only if it is a neutral atom. That then eqals the atomic number of that element.
You can find a proton (+) in the center of a atom.
you can find the neutron in the center of an atom.