Shown here is a person shaving. under magnification the shaving foam might look like the image above the shaver. what type of mixture does the foam demonstrate? give your reasoning. first correct answer=brainliest

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum