A) An atom has 15 electrons, how many electrons does it need to receive to acquire the stability of a noble gas? B) Sodium bonds with chlorine to form sodium chloride (table salt). Explain what kind of connection they make and how that connection occurs.
c) What is the most likely charge of the ion formed from the Chlorine atom?
d) What is the most likely charge of the ion formed from the calcium atom?
e) Is NaCl an ionic compound or a simple substance? Justify your answer.
f) Research the formula for caffeine and sucrose, write them and answer in each one, how many atoms it has, how many chemical elements it has and whether they are simple or compound substances.
g) What are the processes for separating mixtures from the extraction of oil to its refining? Explain each of these separations.