1. Intro to General Chemistry

Which of the following substances is classified as an element?

Which of the following lists contains the four most common elements that make up the Earth's crust?

Which subatomic particles are the least abundant in a typical atom?

What percentage of the Earth's water is salt water?

Which of the following best describes the difference between a mixture and a pure substance?

Which statement best describes the difference between an element and a compound, and how they are similar?

Which term describes a mixture that is not uniform throughout?

Which of the following best describes a silicate?

Which of the following is a pure substance?

Which of the following best describes salad dressing in terms of the classification of matter?

Matter is a substance that has ________.

Which of the following best distinguishes a substance from a mixture?

Which of the following classifications of matter includes all the others?

Which of the following best describes how a compound is different from an element?

Which of the following is NOT a compound?