Using noble gas notation write the electron configuration for the chromium (II) ion

Sodium is a reactive metal. Chlorine is a reactive gas. These two elements combine to form a A) stable compound called table salt. B) new element called sodium chloride. C) reactive compound that explodes in water.

Which of the following is a chemical reaction? A. Breaking a glass pane B. Freezing water C. Digestion of food D. Cutting down a tree E. Evaporation of rubbing alcohol

I'm trying to learn molarity problems on my own (online schooling is terrible), I don't need the answer for the following problem as much as I need the process of solving it explained How many L of solution are present if 100g NaCl has been

Dimensional analysis: if you count at the rate of 2 numbers every secound, how many days whould it take you to count to 1 million?

What system of units is used by only a small number of countries in the world, including the U. S.?

A scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. Does this result support the theory of plate tectonics? Why or why not?

Why is it incorrect to balance a chemical equation by changing the subscripts?

A solution of CuSO4 is labelled 0.01 M. How much CuSO4 in grams, must be used to make 1 liter of solution? A) 1.120 g B) 1.595 g C) 1.6 g D) 15.0 g

Rank the following elements according to their ionization energy: tin krypton antimony arsenic

Water (3030 g) is heated until it just begins to boil. If the water absorbs 5.49*105 J of heat in the process, what was the initial temperature of the water?