What important discovery did Ernest Rutherford make? A. He found that light could make electrons flow in metals.
B. He found that electrons were negatively charged particles.
c. He found that the atom contained both protons and electrons.
D. He found that the atom was made up of mostly empty space.

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.

Word equation for k(s) +h2o(l) yield koh (aq) + h2

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table