[kr]5s^24d^105p^4 what is the chemical symbol for the atom? how many electrons does the atom have? how many 5s electrons are in the atom?

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.

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

What is the equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.