Multiple Choice
The way Earth moves about the sun is most like ________.
A) a neutron and electron moving around a proton
B) an electron moving around the nucleus of an atom
C) a proton moving about an electron
D) a neutron moving about a proton
Correct Answer:

Verified
Correct Answer:
Verified
Q19: Radiometric dating is based on _.<br>A)the number
Q20: The tendency of molecules of the same
Q21: <b>Scenario</b><br>While radioactive isotopes are used in medicine
Q22: An atom has 20 protons, 20 neutrons,
Q23: What name is given to substances that
Q25: Sulfur has an atomic number of 16.
Q26: Adjacent water molecules interact with one another
Q27: Which of the following is an acid?<br>A)NaOH<br>B)NaCl<br>C)HCl<br>D)CH<sub>4</sub>
Q28: Isotopes of an element have the same
Q29: Adjacent water molecules interact through the _.<br>A)sharing