Which group in the the periodic table contains elements with the valence electron configuration of ns2 npl1?

What happened to the wind speeds of the storms?

The noble gases are located in which column of the periodic table? a. 1 b. 6 c. 9 d. 18

Forgetful Freddie placed 25.0 mL of a liquid in a graduated cylinder with a mass of 89.450 g when empty. When Freddie placed a metal slug with a mass of 15.454 g into the cylinder, the volume rose to 30.7 mL.

Assume the molar absorptivity (ε) for CoCl42 - at 700 nm is 409.7 M-1 cm-1. If d, the cell path length, is equal to 1.48 cm for the cuvettes being used, and if the measured absorbance (A) at 700 nm is 1.147, what is [CoCl42-]?

Of protons neutrons and electrons, which of these can never change in atom during an ordinary chemical or physical change

According to the octet rule most elements need_valence electrons.

What is the average speed of particle in a gas at room temperature? Why is temperature an important variable?

An electron is in a region outside the nucleus. An electron a) Is larger than a proton and has no charge b) Has less mass than a proton and has a negative charge c) Is smaller than a proton and has no charge d) Has a positive charge

Under conditions of "feasting", the body favors oxidation/utilization of which source for energy production

2.17 in to 10^23 molecules of Br 2 to moles