Why does it require creativity to devise a new atomic model?

the atom cannot be seen directly, so scientist must use creativity to interpret information about its structure.

it is impossible to test a theory about the atom.

scientists prefer whichever atomic model is the most creative.

scientists create data to avoid performing experiments.

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

Why does his teacher ask him to balance the equation by including the correct coefficient

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.