CHEM 210, Exam 1 100% Correct(GRADED A+)

Isotopes have the same ___ but different ___ - ANSWERatomic number, mass numbers How do you find average atomic mass with isotopes - ANSWERamu=(%xisotope mass)+(%xisotope mass) Group 1 elements - ANSWERalkali metals group 2 elements - ANSWERalkaline earth metals Group 5 elements - ANSWERpnictogens Group 6 elements - ANSWERcalcogens group 7 elements - ANSWERhalogens group 8 elements - ANSWERnoble gases Diatomic molecules - ANSWERH2, N2, O2, F2, Cl2, Br2, I2 what does the empirical formula show - ANSWERthe simplest whole number ratio of atoms in a compound When writing formulas of ionic compounds what usually works - ANSWERtaking the superscript and moving it to the bottom of the opposite element what is the royal road path - ANSWERgrams to moles to particles and back what is the electromagnetic spectrum in order of increasing wavelength - ANSWERgamma rays, x-rays, ultraviolet, visible, infra-red, microwaves, radio waves what is the electromagnetic spectrum in order of increasing frequency - ANSWERradio waves, microwaves, infra-red, visible, ultraviolet, x-rays, gamma rays how many orbitals are in s, p, d, and f - ANSWER1, 3, 5, 7 If l = 0,1,2,3 what is the orbital - ANSWERs,p,d,f how many electrons can each orbital accomodate - ANSWER2