Which best describes the electrons of the atoms of a pure metal? a
All electrons of a given atom are attached to its nucleus.
b
All electrons in the metal are mobile.
С
Inner shell electrons are mobile.
D
All of the valence electrons are mobile throughout the metal.

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.

Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol

I’m an electrically neutral atomic any element, there are equal numbers of