Author Question: An atom that has lost an electron is called an ion. a. True b. False Indicate whether the ... (Read 68 times)

fbq8i · **on:** Jul 27, 2018

An atom that has lost an electron is called an ion.

a. True
b. False
Indicate whether the statement is true or false

Question 2

The book De Revolutionibus Orbium Coelestium

a. describes how Galileo's observations and Kepler's calculations proved the Copernican theory.
b. describes the construction of Galileo's telescope and his observations.
c. is a dialog written to convince the general public of the merits of the Copernican theory.
d. first described the Copernican theory.
e. describes the Tychonian theory.