In the image, two circles are centered at a. the circle containing b was dilated to produce the circle containing b′. what is the scale factor of the dilation?

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

Different isotopes indicate that an element will have different numbers of

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n