Questions from General Chemistry

Q: True or false? N-3 and P-3 contain

True or false? N-3 and P-3 contain a different number of protons but the same number of electrons. Justify your answer.

Q: How many electrons are present in each of the following ions?

How many electrons are present in each of the following ions? a. Ba+2 b. P3- c. Mn2+ d. Mg2+ e. Cs+ f. Pb2-

Q: State the number of protons, electrons, and neutrons for /

State the number of protons, electrons, and neutrons for /

Q: Who is taller, a man who is 1.62 m

Who is taller, a man who is 1.62 m tall or a woman who is 5 ft 6 in. tall?

Q: For the following processes that show the formation of ions, use

For the following processes that show the formation of ions, use the periodic table to indicate the number of electrons and protons present in both the ion and the neutral atom from which the ion is m...

Q: For the following ions, indicate whether electrons must be gained or

For the following ions, indicate whether electrons must be gained or lost from the parent neutral atom, and how many electrons must be gained or lost. a. O2+ b. P3- c. Cr3+ d. Sn2+ e. Rb+ f. Pb2...

Q: For each of the following atomic numbers, use the periodic table

For each of the following atomic numbers, use the periodic table to write the formula (including the charge) for the simple ion that the element is most likely to form. a. 53 b. 38 c. 55 d. 88 e....

Q: On the basis of the element’s location in the periodic table,

On the basis of the element’s location in the periodic table, indicate what simple ion each of the following elements is most likely to form. a. P b. Ra c. At d. Rn e. Cs f. Se

Q: List some properties of a substance that would lead you to believe

List some properties of a substance that would lead you to believe it consists of ions. How do these properties differ from those of nonionic compounds?

Q: Why does a solution of sodium chloride in water conduct an electric

Why does a solution of sodium chloride in water conduct an electric current?