Questions from General Chemistry

Q: Arrange the following atoms in order of increasing size (assuming all

Arrange the following atoms in order of increasing size (assuming all atoms are in their ground states). a. [Kr]5s24d105p6 b. [Kr]5s24d105p1 c. [Kr]5s24d105p3

Q: Write the shorthand valence shell electron configuration of each of the following

Write the shorthand valence shell electron configuration of each of the following elements, basing your answer on the element’s location on the periodic table. a. nickel, Z = 28 b. niobium, Z = 41...

Q: Which of the following statements about the periodic table is false?

Which of the following statements about the periodic table is false? a. Elements in the same column have similar reactivities because their valence electrons tend to be located in the same types of o...

Q: In each of the following sets of elements, indicate which element

In each of the following sets of elements, indicate which element shows the most active chemical behavior. a. B, Al, In b. Na, Al, S c. B, C, F

Q: In each of the following sets of elements, indicate which element

In each of the following sets of elements, indicate which element has the smallest atomic size. a. Ba, Ca, Ra b. P, Si, Al c. Rb, Cs, K

Q: Calculate the percent by mass of each element in the following compounds

Calculate the percent by mass of each element in the following compounds. a. ZnO b. Na2S c. Mg(OH)2 d. H2O2 e. CaH2 f. K2O

Q: Determine the maximum number of electrons that can have each of the

Determine the maximum number of electrons that can have each of the following designations: 2f, 2dxy, 3p, 5dyz, and 4p.

Q: An excited atom can release some or all of its excess energy

An excited atom can release some or all of its excess energy by emitting a(n) and thus move to a lower energy state.

Q: Which of the following statements is(are) true?

Which of the following statements is(are) true? a. The 2s orbital in the hydrogen atom is larger than the 3s orbital also in the hydrogen atom. b. The Bohr model of the hydrogen atom has been found...

Q: Give the electron configurations for the following atoms. Do not use

Give the electron configurations for the following atoms. Do not use the noble gas notation. Write out the complete electron configuration.