What kind of bonds will be formed between the element with the electronic structure (a) 1s22s22p5 and the element with the electronic structure 1s22s1; (b) between the element with the electronic structure 1s22s22p2 and the element with the electronic structure 1s1; (c) between two atoms with the electronic structure 1s22s22p6 ? In each case, briefly explain.

Is laundry detergent an acid or a base?

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.

Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?