Pls answer. will give thanks ! 1. Potassium (K) is in row 2 of the periodic table. how many energy shells does one atom of Potassium have?

2. Carbon (C) is in column 14 of the periodic table. how many electrons are in the outermost energy shell of an atom of carbon?

3. Nickel (NI) has an atomic number of 28. how many protons are in the nucleus of one atom of nickel?

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out