6. The values of p, q, r and s in the balanced chemical equation: pBaCl2 + q A12 (SO4)3AlCl3 + s BaSO4 are respectively
(a) 3, 2, 2, 3 (b) 3, 1, 2, 3
(c) 2, 4, 2, 3 (d) 3, 1, 3,2

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

The minerals found in bones are deposited by living cells called

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.