Number of protons in Xe

What is common to all elements in the same group in the periodic table? A. They have the same number of neutrons. B. They are all nonmetals. C. They have the same number of outer electrons. D. Their properties are very different.

Lowering vapor pressure example

Consider a chromium-silver voltaic cell that is constructed such that one half-cell consists of the chromium, Cr, electrode immersed in a Cr (NO3) 3 solution, and the other half-cell consists of the silver, Ag, electrode immersed in a AgNO3 solution.

When did the last glacial maximum occur

What are some examples of not all liquid's evaporating at the same rate?

We are all familiar with the general principles of operation of an internal combustion engine: the combustion of fuel drives out the piston.

A first order reaction has a rate constant of 0.816 at 25 oC. Given that the activation energy is 22.7 kJ/mol, calculate the rate constant at 34 oC. (enter answer to 3 decimal places)

Part b select the ester that is formed when propanoic acid reacts with isopropyl alcohol in the presence of heat and an acid catalyst.

Do metals form anions or cations

Which of the following gases in Earth's atmosphere would you expect to find as molecules and which as individual atoms? a. Nitrogen b. Oxygen c. Argon