Chapter 1, Problem 1.117E

b. Complete the conversion of 0.000051 g to µg Incorrect. Your answer is not calculated correctly. 3. a. What conversion factor(s) can you use to convert ng to mg? 1000 mg 1x 10 ng a. b. C. d. 1g 1g 1x10⁰ ng 1 mg 1x109 ng 1x 10 ng 1 mg and and 18 1000 mg

10. The amount of spaces between particles of matter can be measured. How do we measure the space occupied by an object? C. Getting the density D. Getting through its volume A. Area B. Mass

Measuring the mass and volume of a piece of chalk is a way of investigating its _____. A.Chemical and intensive properties B.Chemical and extensive properties C.Physical and intensive properties D. Physical and extensive properties   Water, table salt, and sugar are examples of _______. A.Mixtures c. Elements B. Compounds d. Solutions   Which is an example of a compound? A.Rust c. Carbonated Drinks B. Pure Gold d. Salt Solution   Which of the following statements best describe isotopes? A.Same number of neutrons, different number of electrons B.Same number of protons, different number of electrons C.Same number of protons, different number of neutrons D.Same number of neutrons, different number of protons   What is the charge of an atom's nucleus? A.positive c. negative B.no charge d. can be positive or negative   Which of the following subatomic particles has the smallest mass? A.proton c. nucleus B.neutron d. electron   What is the mass number of an atom which has 11 protons, 11…