Which of the following does not form a diatomic molecule?

chlorine

copper

nitrogen

hydrogen

What can you assume about the anions in the ionic compound copper (II) fluoride? A. The charge on the ionic compound is 2+. B. The charge on the ionic compound is 2-. C. Fluoride anions must equal a 2 - charge. D.

How many pi bonds are in the molecule 2-butyne, CH₃C≡CCH₃? a. 1 b. 2 c. 4 d. 6 e. 10

How many grams of fluorine are required to produce 10.0 g of XeF6?

What is the ph of a 0.21 m solution of pyridinium chloride (c5h5nh+cl-) ? (kb for pyridine is 1.5 * 10-9.) answer in units of ph?

Why do you think water requires such a higher temperature to raise the pressure than neon?

Are 3 eggs the same quantity as 3 dozen eggs?

What is an empirical formula? O A. The chemical formula that reveals how the molecule actually exists in nature O B. The chemical formula that is written in terms of percent composition O C.

What part of an original isotope's number of atoms remains after two half lives?

What gas has formed when bubels form when water is boiled?

A physical property can be observed or measured without changing the identity of a substance. Which of these choices describes a physical property? The temperature at which a liquid will boil. The tendency of a substance to explode.