If an element, X, can form an oxide that has theformula X2O3, then element X would most likely be located on the Periodic Table in the same group as

(1) Ba (3) In

(2) Cd (4) Na

Why does a buoyant force act on every object in a fluid

There are over 100 elements, but only ver 100 elements, but only 90 are naturally occurring. Determine if these additional elements should be included on the periodic table. Defend your answer.

50 g of NaCl is mixed with water to make. 5 L of salt water. Which is the solute?

Bronsted-Lowry bases are proton acceptors donors reducers

What is the velocity of a car traveled a total of 75 kilometers north in 1.5 hours

In Flask A, you reacted 7.23 g Mg with 1.05 mol HCl. In Flask B, you reacted 1.22 g Mg with 1.35 mol HCl. Which balloon will inflate the most?

I have 2 electrons is the first shell, 8 in the second, and 6 in the third

The production of plastics makes life, so it benefits society. On the other hand, the production of plastics causes air and water, so it also harms society.

The total number of moles represented by 20 grams of CaCO3 is

Particles of matter how have both potential and kinetic energy is that true or false?