What did wegener call this giant land mass?

Which statements about the structure of the periodic table are true? The periodic table has an irregular shape because it has more periods than groups. The inner transition elements are placed at the bottom of the periodic table for easy viewing.

Ionic compounds usually form between A. solids and liquids. B. liquids and gases. C. metals and nonmetals. D. nonmetals and metalloids.

Which noble gas has the same electron configuration as the oxygen in a water molecule?

Which suborbitals of the highest energy level will be filled for every ion, regardless of its charge? only the s only the p the s and the p the s, p, and d

Why is stainless steel used instead of pure iron for the ball of the pen

What is the volume of 0.05 mol of neon gas at STP?

Which is NOT a property of gold? A. rare B. tarnishes C. malleable D. corrosion resistant

The element rubidium has two naturally occurring isotopes. The atomic mass of 85Rb (72.17 percent abundant) is 84.911794 amu. Determine the atomic mass of 87Rb (27.83 percent abundant). The average atomic mass of Rb is 85.4678 amu.

Describe what you can do to slow down, or stop the continuous negative human treatment of our aquatic biomes.

If the hydrogen ion concentration is 10-7M, what is the pH of the solution? Show all work.