Choose an element from the Group that will lose 2 electrons in order to achieve noble gas configuration? What is the group name for that element?

What significant contribution did Lavoisier make to chemistry? A. He was the first to use scientific experiments to learn about atoms. B. He was the first to discover the atom. C. He was the first to propose the atomic theory. D.

Where does the most geologic activity (including volcanos and earthquakes) occur

What is the molar mass of Cro2

How is the periodic table useful

Elementary row operations on an augmented matrix never change the the solution set of the associated linear system. True or False?

What type of waves move energy forward, but the source moves up and down? A) medium waves B) particle waves C) transverse waves D) longitudinal waves

Which statement accurately describes the movement of Earth's plates due to convection currents?

Why does every human measurement have uncertainty associated with it? Why must we manage the uncertainty during calculations?

Which two properties are used to define matter? has mass and conducts heat has buoyancy and volume has mass and takes up space conducts energy and has characteristic properties

Define the following liquid mixtures as suspensions or solutions: a. Water + benzoic acid: Suspension b. Water + sodium chloride: Solution c. Isopropanol + sucrose: Suspension