When you add food coloring to water, is a chemical or physical change?

How ions are formed for ionic bonds?

What would the pH of a solution be if the [H+] = 3.00x10-5 moles/liter

Why do real gases not behave exactly like ideal gases?

Which traits are used to classify the six major climate regions? Check all that apply. A. Vegetation B. Temperature C. Precipitation D. Land Formations E. Geographical Locations

Do viruses have locomotion

According to the following reaction, how many grams of hydrogen peroxide ( H 2 O 2 ) are necessary to form 0.182 moles oxygen gas? hydrogen peroxide ( H 2 O 2 ) (aq) → water (l) + oxygen (g)

Using the bohr model describe the changes in electrons energy and electron location when an atom changes from the ground state to an excited state.

Sally is making a model of gold for her chemistry class. She has foam balls for the protons, neutrons, and electrons. She has added 70 protons to her model so far. How many more protons does she need to add to complete her neutral atom of gold?

How many electrons are in an atoms of germanium

What is the lewis structure of N2O3?