HELP ME PLS Find the valence electrons for the following elements:
1. Gallium
2. Beryllium
3. Cesium
4. Rubidium
5. Calcium
6. Mg
7. K
8. Ba
9. Sr
10. AI
11. Radon
12.1
13. Sulfur
14. O
15. Argon
16. Phosphorous
17. Se
18. Bromine
19. Fluorine
20. CI

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

The number at the end of an isotope’s name is the number.

If 4.8 moles of x and 3.4 moles of y react according to the reaction below, how many moles of the excess reactant will be left over at the end of the reaction? 3x + 2y “yields”/ x3y2. a. 1.7 mol y left over b. 1.6 mol x left over c. 0.2 mol y left over d. 0.1 mol x left over