In a neutral atom, the number of electrons is equal to the number of protons. The indicates the number of protons. The is the sum of the number of neutrons...
1 Answers 1 viewsThe for any element is the number of protons in its atomic nuclei. In a neutral atom, the number of electrons are the same as the number of protons. The...
1 Answers 1 viewsAnd we don't even have to know that the element is gold. If $Z$ $=$ $79$, there are 79 positively charged nuclear particles, 79 protons, in the nucleus. If 79...
1 Answers 1 viewsThe most important thing to keep in mind here is that are atoms that have the same number of protons inside their nuclei. In other words, an isotope...
1 Answers 1 viewsAnd $Z$ defines the identity of the element: $Z=1,H;Z=2,He;..........Z=6,C;........Z=37, Ru...........$ You don't have to remember these numbers, because a Periodic Table will be supplied to you in every test of...
1 Answers 1 viewsThe is the number of protons $("p"^+")$. In a neutral atom, the number of electrons $("e"^(-)")$ equals the number of protons. is the sum of the protons and neutrons $("n"^0")$...
1 Answers 1 viewsSee
1 Answers 1 viewsThe answer is B) The must be exactly twice the for each atom. The number of protons is the atomic number of an element. The mass number is the sum...
1 Answers 1 viewsIf you are doing your chemistry homework, you must have a Periodic Table beside you. You will also be supplied a Periodic Table in every test in Chemistry and Physics...
1 Answers 1 views$Z$, $"the atomic number"$ of magnesium is 12. This means that there are 12 positively charged nuclear particles. This defines the particle as a magnesium atom. To represent the $""^24Mg$...
1 Answers 1 views