Describe an example of an assignment that could be used in science, technology, engineering, or mathematics that would allow a student to apply a concept he or she has learned. HURRY ONLY HAVE AN HOUR TO DO IT

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

Why is carbon ideal for making different compounds?

What type of matter is made of only one kind of atom