Scientific theories can change over time as new information is discovered if a scientific theory changes does this mean that it was not a good theory to begin with

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

Rays from the sun are not considered matter true or false