what is the number of protons neutrons and electrons in an ion with atomic number 53 mass number 108 and a charge of - 1

Metamorphic rocks that don't have layers true or false

Explain why wrapping a fire blanket around somebody on fire would not be a good idea.

Is the universe an isolated system?

A sealed, expandable container is initially at 2.000 L and 25°C. To what temperature must it be changed to have a volume of 6.00 L? ... I used V1/T1 = V2/T2 to get 75 degrees Celsius, but for some reason that's wrong.

In an ionic bond, nonmetals are most likely to A. gain electrons. B. lose electrons. C. share electrons. D. cancel electrons.

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.