Which set of the electronic structure are only found in non-metals? A 2, 5 2,8,6 2,8,7
B 2,7 2,8,4 2,8,8,1
C 2,1 2,8,3 2,8,8,2
D 2 2,8,1 2,8,3

What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these