Recent content by p4cifico

very good answers thank you everyone

which pair of elements is most apt to form an ionic compound with each other? nitrogen and hydrogen or barium and bromine? please explain

Element x has two naturally occurring isotopes. The masses (amu) and % abundance are given. 31x is 35% with mass of 31.16 and 34x is 64% with 34.3 amu's

I need an explanation for these two problems How many sig figs should be retained in the result of the following calculation? 12.00000 x 0.9893 + 13.00335 x 0.0107 and (11.13-2.6) x 10^4 / (103.05 + 16.9) x 10 ^-6

I am confused as to when I should be able to tell "by observing" whether the forces of normal, kinetic friction, and tension need to be added or subtracted from the net force for both sideways and vertical directions. Ropes pulling at degrees, pulleys moving up and down, cars traveling uphill...