- Ch.1 - Introduction: Matter, Energy, and Measurement140
- Ch.2 - Atoms, Molecules, and Ions192
- Ch.3 - Chemical Reactions and Reaction Stoichiometry172
- Ch.4 - Reactions in Aqueous Solution142
- Ch.5 - Thermochemistry110
- Ch.6 - Electronic Structure of Atoms120
- Ch.7 - Periodic Properties of the Elements109
- Ch.8 - Basic Concepts of Chemical Bonding107
- Ch.9 - Molecular Geometry and Bonding Theories132
- Ch.10 - Gases132
- Ch.11 - Liquids and Intermolecular Forces74
- Ch.12 - Solids and Modern Materials87
- Ch.13 - Properties of Solutions85
- Ch.14 - Chemical Kinetics121
- Ch.15 - Chemical Equilibrium63
- Ch.16 - Acid-Base Equilibria104
- Ch.17 - Additional Aspects of Aqueous Equilibria105
- Ch.18 - Chemistry of the Environment52
- Ch.19 - Chemical Thermodynamics99
- Ch.20 - Electrochemistry103
- Ch.21 - Nuclear Chemistry64
- Ch.22 - Chemistry of the Nonmetals6
- Ch.23 - Transition Metals and Coordination Chemistry18
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry10
Chapter 2, Problem 16b
An unknown particle is caused to move between two electrically charged plates, as illustrated in Figure 2.7. You hypothesize that the particle is a proton. (b) Would it be deflected by a smaller or larger amount than the b rays?
Video transcript
In a series of experiments, a chemist prepared three different compounds that contain only iodine and fluorine and determined the mass of each element in each compound: Compound Mass of Iodine (g) Mass of Fluorine (g) 1 4.75 3.56 2 7.64 3.43 3 9.41 9.86 (b) How do the numbers in part (a) support the atomic theory?
Which of the subatomic particles in an atom does not have a charge (and was therefore the last to be discovered)?
An unknown particle is caused to move between two electrically charged plates, as illustrated in Figure 2.7. You hypothesize that the particle is a proton. (a) If your hypothesis is correct, would the particle be deflected in the same or opposite direction as the b rays?
Which set of statements is true about Rutherford’s gold foil experiment?
i. This is the main experiment that showed that atoms have a dense nucleus.
ii. The data from the experiment showed that alpha particles scattered equally at all angles from the gold foil.
iii. Electrons were emitted from the gold atoms in straight lines.
a. i only
b. ii only
c. iii only
d. i and ii
e. i and iii
Millikan determined the charge on the electron by studying the static charges on oil drops falling in an electric field (Figure 2.5). A student carried out this experiment using several oil drops for her measurements and calculated the charges on the drops. She obtained the following data: Droplet Calculated Charge (C) A 1.60 * 10-19 B 3.15 * 10-19 C 4.81 * 10-19 D 6.31 * 10-19 (b) What conclusion can the student draw from these data regarding the charge of the electron?
Millikan determined the charge on the electron by studying the static charges on oil drops falling in an electric field (Figure 2.5). A student carried out this experiment using several oil drops for her measurements and calculated the charges on the drops. She obtained the following data: Droplet Calculated Charge (C) A 1.60 * 10-19 B 3.15 * 10-19 C 4.81 * 10-19 D 6.31 * 10-19 (c) What value (and to how many significant figures) should she report for the electronic charge?