Magnesium has three isotopes with mass numbers 24, 25 and 26.(a) write the isotopic notation for each.(b) how many neutrons are in an atom of each isotope(c) describe the similarities and differences between these three kinds of atoms ofmagnesium

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.