This question is about iron.
State the nuclear symbol notation, A X, for iron-54.

The answer is nitrogen-containing bases

The closer the atoms are to becoming ionic the more highly dense the negatively charged side gets.

The molar mass of a substance is defined as the mass of 1 mol of that substance, expressed in grams per mole, and is equal to the mass of 6.022 × 10 23 atoms, molecules, or formula units of that substance.