Which of the following units can be used to measure the mass of a grain of salt? a. milliliters b. milliseconds c. millimeters d. milligrams

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

Which of the following are correct values for the ideal gas laws constant r