Which element has an atom in the ground state with a total of three valence electrons

What is the blond spot

What is the first element to have p electrons? A. helium B. lithium C. boron D. aluminum

Jin listed some common thermal insulators and conductors in a chart. A 2-column table with 2 rows. The first column labeled Insulators has entries rubber, air. The second column labeled Conductors has entries copper, X.

The open spaces in water's crystal structure make it possible for

In a first-order reaction (a d b and rate = k [ a., tripling the concentration of a will have what effect on the reaction rate?

What is the theoretical empirical formula of magnesium oxide

8. which change in state is associated with the heat of vaporization, 1. solid to liquid 2. liquid to vapor 3. solid to vapor 4. liquid to solid

A mixture of calcium carbonate, CaCO3, and barium carbonate, BaCO3, weighing 5.40 g reacts fully with hydrochloric acid, HCl (aq), to generate 1.39 L CO2 (g), mea sured at 50°C and 0.904 atm pressure.

Which of the following is the major advantage of using geothermal energy instead of using coal energy? Choice: You will get a brainliest! If your correct! A. More abundant than coal B. Easier to access than coal C. Releases less carbon dioxide D.

Why can equilibrium not be reached in reversible enzymatic rxn?