Answer:
182.156g
Explanation:
grams = 49/.269 = 182.156g needed
The correct answer is:
C. valence.
Explanation:
The valence or valency of an element is a stratagem of its connecting power with other atoms when it makes chemical compounds or molecules.
A valence electron is an outer shell electron that is connected with an atom, and that can compete in the formation of a chemical bond if the outer shell is not closed; in a single covalent bond, both atoms in the bond provide one valence electron in order to form a shared pair
I believe it is the third choice from the left because it is 3D and has the "sticks", unlike the space-filling model to the left of it. Hope this helped!
Answer:
(a) What are the half-lives of these two isotopes? (b) Which one decays at a faster rate? (c) How much of a 1.00-mg sample of each isotope remains after 3 half- ...
Explanation:
The roots could no longer access depleted groundwater.
The topsoil in the area eroded.
