It's B, because a negative charged Ion is an anion. And since it's 1- ,one valence electron is been added to H. So it has 2 valence electrons.
Answer:
11. A)outward
12. B) inward
13. B) opaque
14. I really don't know (sorry)
Explanation:
A homogenous mixture is uniform and thus hard to recognize as a mixture. An example is water!
No, isotopes would have a different number of electrons
Answer:
When you bake a cake the smell changes after it has been baked and it counts as a chemical change
Explanation: