Question

QUESTION 1

Of the quantum numbers n, l, m_l, and m_s, which is the spin quantum number?

		ml
		n
		l
		ms

  

QUESTION 2

Valence electrons are the outer electrons of an atom.

True

False

QUESTION 3

What type of bond is between the two carbon atoms in the molecule ethane (C₂H₆)?

		Double
		Single
		Triple

  

QUESTION 4

A molecule has a carbon atom that is best described by sp³ hybridization. Which bond angles (in degrees) come closest to describing the carbon?

		180
		109.5
		120

  

QUESTION 5

Atoms that obey the octet rule have how many valence electrons?

		Eighteen
		Eight
		Six
		Three

  

QUESTION 6

A molecule has a carbon atom that is best described by sp hybridization. How many other atoms are connected to this carbon?

		Four
		Three
		Two
		One

QUESTION 7

The electron configuration, 1s²2s²2p⁶ is correct for which of the following atoms.

		Li
		Ne
		Ar
		O

QUESTION 8

Choose the answer that best completes the sentence: In molecular orbital theory, a single bond consists of ______.

		a pi molecular orbital
		one sigma and two pi molecular orbitals
		one sigma and one pi molecular orbital
		a sigma molecular orbital

QUESTION 9

The compound N₂ contains only this kind of bond.

		triple
		single
		double

  

QUESTION 10

What is the maximum number of electrons that can be contained in the 4s orbitals?

		10
		2
		6
		14

Answer 1