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

[fbq8i]

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.

[JaynaD87]

Answer to Question 1

True

Answer to Question 2

d

[fbq8i]

TYSM

[marict]

Thanks for the timely response, appreciate it