A rectangular metal bar has a volume of 50.0 in³. The bar weighs 1.42 kg. Calculate the density of the metal in grams per cubic centimeter.

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

Name the intersection of plane bpq and plane cpq.