Which scientist proposed the "plum pudding" model of the atom? ?

All motion is caused by force? true or false

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!