Chemical element B has 20 neutrons, isotope of chemical element A, which has x protons, and isobaroque of chemical element C, which has 16 neutrons. The mass number of C is 2x + 2. Knowing that A and C are isotones, it can be said that the sum of the number of neutrons of the elements A, B and C is: pleeasee...It's urgent

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Draw the structure for 5-isopropyl-2-methyl-3-nonene

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.