The ion mn2 + has how many unpaired electrons

For which element is the radius of its ion larger than the radius of its atom?

Assume the following: canola oil has 6% saturated fats and 94% unsaturated fats; corn oil has 13% saturated fats and 87% unsaturated fats; and coconut oil has 91% saturated fats and 9% unsaturated fats.

Which consumers live in the open ocean? A. sponges, sea stars, and sea anemones B. swordfish, dolphins, and sharks C. giant tube worms, bacteria and clams D. phytoplankton and seaweed

8. How many electrons are in the outermost shell of a sulphur (S) atom? A. 1 B. 2 C. 6 D. 7

Which type of radioactive decay produces radiation that can be stopped by a sheet of paper?

What mass (in mg) does 2.63 moles of nickel have? 3.56 * 105 mg 1.54 * 105 mg 2.23 * 104 mg 129 mg?

Given the propane molecule C3H8 (g) ! a) What is the balanced equation for the combustion of propane in O2? (20 pts.) b) What is the standard enthalpy change ΔH0 for the reaction at 25°C? (20 pts.

Which of the following happens during a chemical change? Check all of the boxes that apply. One atom or more changes into atoms of another element. New substances with different properties are formed. Solids, liquids, or gases may form.

Which has more inertia: a kilogram of cotton balls or a kilogram of gold?

Democritus who lived in greece during the fourth century b. c suggested that matter is made up of tiny particles that cannot be divided. what did he called them