Does lithium lose or gain electrons

Solid potassium chlorate (kclo3) decomposes into potassium chloride and oxygen gas when heated. how many moles of oxygen form when 54.3 g completely decomposes?

What causes the lines in the emission spectrum for elements? a continuous release of energy from the heated element a quantum absorption of energy as various electrons are excited to a higher energy level a quantum release of energy as electrons

Which of these is a physical property? A. Malleable B. Easy to digest C. Does not burn D. Becomes moldy quickly

Explain why a lack of oxygen for even a short period of time might result in the death of brain cells.

How many milliliters of a 0.8 M solution of citric acid would be needed to react with 15 grams of baking soda? Show your work.

What is 450 g of flour a measure of? A) Weight B) Inertia C) Gravity D) Mass

List the four (4) ways you can tell that a chemical reaction has occurred.

A student has 2.99 g of Potassium Permaganate. How many mL of a. 532 M solution can the student make? How does one solve this?

Which statement is true according to the kinetic theory? 1. Moles of different gases with the same mas and temperature always have the same average density. 2.

A substance with a pH of 9 has A) no H30 + ions or OH - ions. B) more H30 + ions than OH - ions. C) more OH - ions than H30 + ions. D) the same number of H30 + ions as it does OH - ions.