Answer:
C.3
13AL
2.8.3
The number of electrons from the outermost shell is the valence of the element.
Gas and liquid both take the shape of their container. The difference is gas molecules equally fills the space. Is there any more information?
I believe the answer is C. The bonds in the compound magnesium sulfate is ionic and covalent. Magnesium sulfate is soluble in water. When the said compound is dissolved in water, it dissociates into magnesium ions and sulfate ions. However, the bonds that held together the sulfate ions is covalent.
Answer: 39.948 grams
Explanation:
The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Ar, or 39.948 grams
