A hexagon has a radius measuring 23 cm. What is the approximate area of the hexagon? 686. 6 square cm 793. 5 square cm 1374. 4 square cm 1587. 0 square cm.

Find the protons, electrons and neutrons for strontium with a mass of 83

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

Which other elements contain the same number of outer electrons as sodium