Questions from General Chemistry

Q: When a nucleus emits a neutron, does the atomic number of

When a nucleus emits a neutron, does the atomic number of the nucleus change? Does the mass number of the nucleus change? Explain.

Q: In each of the following reactions, identify which element is being

In each of the following reactions, identify which element is being oxidized and which is being reduced by assigning oxidation numbers. a. Fe(s) + CuSO4(aq) FeSO4(aq) + Cu(s) b....

Q: What is a decay series?

What is a decay series?

Q: Because the chemistry of an atom is determined by the number and

Because the chemistry of an atom is determined by the number and arrangement of its , the properties of the nucleus do not strongly affect the chemical behavior of an atom.

Q: What do we mean when we say a nucleus has undergone an

What do we mean when we say a nucleus has undergone an electron capture process? What type of electron is captured by the nucleus in this process?

Q: Naturally occurring sulfur consists primarily (94.9%) of the

Naturally occurring sulfur consists primarily (94.9%) of the isotope with mass number 32, but small amounts of the isotopes with mass numbers 33, 34, and 36 also are present. Write the nuclear symbol...

Q: What is the oxidation state of nitrogen in each of the following

What is the oxidation state of nitrogen in each of the following substances? a. N2 b. NH3 c. NO2 d. NaNO3

Q: What is the oxidation state of manganese in each of the following

What is the oxidation state of manganese in each of the following substances? a. MnCl2 b. KMnO4 c. MnO2 d. Mn(C2H3O2)3

Q: Give the nuclear symbol for each of the following. a

Give the nuclear symbol for each of the following. a. a beta particle b. an alpha particle c. a neutron d. a proton

Q: Which of the following nuclear processes results in a decrease in the

Which of the following nuclear processes results in a decrease in the neutron-to-proton ratio? Justify your answer. a. ß-particle production b. Positron production c. Electron capture d. α-particl...