Assuming that "plus 19" refers to exactly 19 protons, the answer is Potassium.
The potassium atom has 19 electrons orbiting its nucleus.
A neutral atom of potassium has 19 electrons surrounding its nucleus.
Protons are located in the nucleus of a potassium atom. Potassium atoms have 19 protons in their nucleus.
19
The charge in coulombs of the nucleus of a chlorine atom is +1.602 x 10^-19 coulombs. This is equivalent to the charge of a proton in the nucleus of the atom.
is known as the mass number, which determines the atomic mass of the atom. It provides important information regarding the stability and behavior of the atom.
there are 19 protons in a fluorine-19 atom. Ironic huh? There are 9 protons in the fluorine 19 nucleus. There are 10 neutrons. The atomic number of fluorine is 9, which is the number of protons in a nucleus. The isotope number is the total number of protons and neutrons. The number of neutrons is different between fluorine 18 and 19 (9 and 10 respectively). They both have 9 protons.
Proton
The mass number of a fluorine atom is 19. This number is the sum of the protons and neutrons in the nucleus of the atom.
The nucleus of an atom K-42 contains 19 protons and 23 neutrons. This is because K (potassium) has 19 protons in its nucleus, and the isotope K-42 has an atomic mass of 42, which means it must have 23 neutrons to account for the mass.
the nucleus is the control center of the entire atom the nucleus of an atom has 3 basic subatomic particles: -the electrons which orbit the outside of the nucleus, electrons have a negative charge -the protons which are inside the nucleus and have a positive charge -neutrons which are also inside the nucleus have a neutral charge because they are neither positive nor are they negative something you need to know about protons and neutrons: the mass of the atom equals the protons plus neutrons and the atomic number of an atom tells how many protons are in an atom really being in the nucleus. The nucleus of an atom can best be described as the part of the atom with the biggest mass. It contains an atom's protons and neutrons.
Na+ will be a sodium atom that has lost an electron. Normally in atoms the amount of protons and electrons are equal, when you see a plus or minus charge on an atom its due to the loss or gain of electrons.