An atom that has a negative four charge will have one of the following?

A. 4 more protons than electrons

B. An equal amount of protons and electrons

C. 4 more electrons than protons

D. 2 more neutrons than protons

In a certain experiment 1.00 g of sodium bicarbonate and 1.00 g of citric acid are allowed to react. (a) which is the limiting reactant? (b) how many grams of carbon dioxide form? (c) how many

In preparation of aspirin why is water added

In the bohr model of the atom, an electron that absorbs energy would

What is the function of a hypothesis in the scientific inquiry process?

What will be the equilibrium temperature when a 235 gg block of copper at 255 ∘C∘C is placed in a 155 gg aluminum calorimeter cup containing 875 gg of water at 16.0 ∘C∘C?

Determine the pH of a 0.350 M solution of HA. The pkb of A - is 12.830.

Which statement is true about oxygen-17 and oxygen-18?

A man is making chicken noodle soup and has found it to be too salty. What method could he use to make the soup less salty? a. Add equal measured amounts of water to the soup. b. Bring the soup to a boil so that some of the broth evaporates. c.

A solution of H2SO4 (aq) with a molal concentration of 3.97 m has a density of 1.216 g/mL. What is the molar concentration of this solution?

How can you chose values for x when making a table of values representing a real world situation?