How many atoms of Na are in the following formula: 3Na(SO4)2

1) 3
2) 6
3) 2
4) 4

Lewis structure and molecular geometry for nh2cl

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?

The bone of a dinosaur and the imprint of a leaf are examples of which kind of fossils? a) index b) body c) amber d) trace