Physical Science (2.17)

How are ionically-bonded compounds generally named?

• W) After the scientist who first created the compound

• X) They end in "onium"

• Y) By using the name of the positive ion followed by the name of the negative ion

• Z) By using the name and Roman numeral associated with the metal involved

A nucleus of Lithium containing 3 protons and 4 neutrons is surrounded by 4 electrons. Which of the following best describes this?

• W) Tracer

• X) Ion

• Y) Isotope

• Z) Neutral atom

The liquefaction of what gas was recognized with the 1913 Nobel Prize in Physics?

(a)  

What scientist used the data collected by Tycho Brahe in order to formulate empirical laws regarding the motion of the planets?

• W) Johannes Kepler

• X) Albert Einstein

• Y) Stephen Hawking

• Z) Edwin Hubble

What is the name for the SI derived unit for energy?

• W) Erg

• X) Electron-volt

• Y) Watt

• Z) Joule

Which of the following is most closely related to the frequency of a wave?

• W) Amplitude

• X) Wavelength

• Y) Crest

• Z) Trough

For two samples of mercury, one with a mass of 10 grams and the other with a mass of 20 grams, which of the following would NOT be the same?

• W) Boiling point

• X) Density

• Y) Melting point

• Z) Volume

What type of elementary particle is thought not to exist in isolation because of color confinement?

(a)  

The potential energy stored in a spring is proportional to which of the following?

• W) The square of the spring constant

• X) The square root of the spring's mass

• Y) The spring's height from Earth's surface

• Z) The square of the spring's stretch from equilibrium

Consider a Carnot engine operating between two reservoirs of different temperatures. If the absolute temperatures of both reservoirs are doubled, by what factor is the efficiency multiplied?

(a)