Lithium forms compounds which are used in dry cells and storage batteries and in high-temperature lubricants. It has two naturally occurring isotopes, 6Li (isotopic mass = 6.015121 amu) and 7Li (isotopic mass = 7.016003 amu). Lithium has an atomic mass of 6.9409 amu. What is the percent abundance of lithium-6?

A) 92.50% B) 86.66% C) 46.16% D) 7.503% E) 6.080% A) 92.50% B) 86.66% C) 46.16% D) 7.503% E) 6.080%

Exam 2: The Components of Matter

The compound, BaO, absorbs water and carbon dioxide readily and is used to dry gases and organic solvents. What is its name?

(Multiple Choice)

4.9/5

(40)

Question 101

Lithium forms compounds which are used in dry cells and storage batteries and in high-temperature lubricants. It has two naturally occurring isotopes, ⁶Li (isotopic mass = 6.015121 amu) and ⁷Li (isotopic mass = 7.016003 amu). Lithium has an atomic mass of 6.9409 amu. What is the percent abundance of lithium-6?

(Multiple Choice)

4.8/5

(29)

Question 102

The molecular formula of a compound provides more information than its structural formula.

(True/False)

4.8/5

(35)

Question 103

For each of the following elements, indicate whether it is a metal, a non-metal or a metalloid: A) S B) Ge C) Hg D) H E) I F) Si

(Short Answer)

4.7/5

(38)

Question 104

Showing 101 - 104 of 104

The compound, BaO, absorbs water and carbon dioxide readily and is used to dry gases and organic solvents. What is its name?

The molecular formula of a compound provides more information than its structural formula.

For each of the following elements, indicate whether it is a metal, a non-metal or a metalloid: A) S B) Ge C) Hg D) H E) I F) Si

Keys to the Study of Chemistry

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters