Why does sodium form a 1 + ion but magnesium forms a 2 + ion

Which of the following could be considered a scientific statement? Solar power is our favorite source of electricity. Soda A tastes better than Soda B. Blue light is the most beautiful color of light. X-rays have a lower frequency than microwaves.

What is a chemical bond? A. The attraction of two atoms that holds the atoms together B. A substance that's composed of atoms C. A representation of chemical properties D. The force that holds together the elements in a compound

Draw the Lewis structure for the molecule Carbon Dioxide, Co, and predict the molecular geometry.

Why is it important for scientist to review and repeat the work of other scientists?

The lithosphere, asthenosphere, inner core, and outer core areas of earth are classified and divided into layers based on

What is the limiting reactant when 7.0 grams of aluminum and 15.2 grams of oxygen react to produce aluminum oxide?

If the FDA enacts more stringent pharmaceutical drug tests, two costs of this policy would be: A. drug lapse and drug misallocation. B. drug misallocation and drug loss. C. drug lag and drug lapse. D. drug loss and drug lag.

Which of these sequences lists units of astronomical measurement from smallest to largest? A. light-year - -> AU - -> kilometer - -> mile B. light-year - -> AU - -> mile - -> kilometer C. kilometer - -> mile - -> AU - -> light-year D.

Open-ended question: Differentiate between a solution and a two phase mixture. Brass is would be classified as which one of them? Which would you classify a salad as?

29.00gx11.000g equals to what? And then round to appropriate significant number.