Elements, Compounds, Mixtures
1. A(n) has a definite ratio of components.
Elements, Compounds, Mixtures
2. The ability of one substance to dissolve in another substance is the ________________of the solute.
Elements, Compounds, Mixtures
3. A(n) __________can be separated by filtration.
Elements, Compounds, Mixtures
4. A(n) ______________is a pure substance that cannot be broken down into simpler substances by chemical means.
Elements, Compounds, Mixtures
5. A(n) ________________is an element that is brittle and dull.
Elements, Compounds, Mixtures
6. The ____________is the substance that dissolves to form a solution.
Elements, Compounds, Mixtures
7. Which of the following increases the solubility of a gas in a liquid?
a. increasing the temperature of the liquid
b. increasing the amount of gas in the liquid
c. decreasing the temperature of the liquid
d. decreasing the amount of liquid
Elements, Compounds, Mixtures
8. Which of the following best describes chicken noodle soup?
a. element c. compound
b. mixture d. solution
Elements, Compounds, Mixtures
9. Which of the following statements describes elements?
a. All of the particles in the same element are different.
b. Elements can be broken down into simpler substances.
c. Elements have unique sets of properties.
d. Elements cannot be joined together in chemical reactions.
Elements, Compounds, Mixtures
10. A solution that contains a large amount of solute is best described as
a. insoluble. c. dilute.
b. concentrated. d. weak.
Elements, Compounds, Mixtures
11. Which of the following substances can be separated into simpler substances only by chemical means?
a. sodium c. water
b. salt water d. gold
Elements, Compounds, Mixtures
12. Which of the following would not increase the rate at which a solid dissolves?
a. decreasing the temperature
b. crushing the solid
c. stirring
d. increasing the temperature
Elements, Compounds, Mixtures
13. In which classification of matter are components chemically combined?
a. a solution c. a compound
b. a colloid d. a suspension
Elements, Compounds, Mixtures
14. An element that conducts thermal energy well and is easily shaped is a
a. metal.
b. metalloid.
c. nonmetal.
d. None of the above