How many electrons does oxygen have in its 2nd energy level?

What is the type of bond that forms between water molecules

Matthew is waterskiing. As the boat starts moving, he is at an angle of 8.0° to the right of the boat. The boat applies 250 newtons over the first 50 meters, while the angle stays at roughly 8.0°. What work has the boat done on Matthew? a. 1.

You bought a new car and estimated that your monthly payment would be $312. However, your actual payment amount was $325. How much error was in your estimate?

Draw a structural isomer of ethylcyclohexane that also contains a 6-carbon ring

In an atom, the electron that are the furthest from the nucleus is in highest energy level. ture or false

Air is transferred from a 75 L tank where the pressure is 125 psi and the temperture is 288 k to a tire with a volume of 6.1 L and a pressure of 25 psi. What is the new temperture.

Which of the following is a measure of randomness in a system? A) entropy. B) kinetic energy. C) potential energy. D) chemical energy.

What substance can be broken down by chemical means? A) ammonia B) aluminum C) antimony D) argon (Castle learning question)

How the law of conservation of mass could be useful for investigating chemical changes

A covalent chemical bond is one in which outer-shell electrons of two atoms are shared so as to satisfactorily fill the outer electron shells of both atoms. protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms.