NEED HELP ASP Of the following compounds:

1. gold
2. mercury
3. Ag
4. W
5. Li
6. Be
7. nickel
8. oxygen

When involved in an ionic compound the elements which have multiple charges and therefore must be indicated in Roman numerals (in ascending order) are:

(Example: metal (V) non- metal)

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

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.