5) Explain what is meant by the term bonding capacity. What characteristic of an atom's arrangement of valence electrons determines it's bonding capacity? Use an example in
your explanation
(3 marks)

6) Use a Lewis diagram along with a brief written explanation of the molecular formula for
nitrogen, N2(g)
(3 marks)

7) Explain why it is incorrect to write the structural formula of the H2Se, molecule as H -
H - Se. Which is the correct structural formula and why?

Each of the following compounds contains a metal that can exhibit more than one ionic charge. provide systematic names for each of these compounds. (a) cr(clo3)6 (b) mo(cn)6 (c) cr2(so3)3 (d) v(clo2)2 (e) v(cn)5 (f) os(clo2)4

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?