Name two examples of how scientists use selective breeding with either plants or animal

Elaborate on the difference between 8S and S8. A) 8S represents eight sulfur atoms and S8 represents one sulfur atom. B) 8S represents eight sulfur atoms and S8 represents one sulfur molecule.

In the compound silver oxide (Ag₂O), for each one oxygen ion there are two silver ions. If oxygen forms ions with a - 2 charge, what charge must each silver ion have?

Among the elements listed, which would show the largest increase between the second and third ionization energies and why? A. B B. P C. Ca D. Zn

Either aluminum or zinc will replace silver ion in silver nitrate to give silver metal and aluminum nitrate or silver metal and zinc nitrate

If you have 5.2 moles of iron (Fe) how many grams do you have?

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.