1. You are given a bottle that contains 4.59 cm of a metallic solid. The total mass of the bottle is 35.66 g. The empty bottle weighs 14.23 g. What is the density of the solid?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

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.