Question and answer
Dalton’s atomic theory was based on careful measurements and extensive research true or false?
The statement is true. Dalton’s atomic theory was based on careful measurements and extensive research.
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Expert answered|may100|Points 3076|
Question
Asked 9/29/2014 7:19:17 AM
Updated 9/29/2014 7:37:03 AM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [9/29/2014 7:37:02 AM], Confirmed by jeifunk [9/29/2014 7:37:03 AM]
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Questions asked by the same visitor
The mass number of an element is equal to ____. a. the total number of electrons in the nucleus b. the total number of protons and neutrons in the nucleus c. less than twice the atomic number d. a constant number for the lighter elements
Question
Not Answered
Updated 12/3/2014 10:31:49 AM
1 Answer/Comment
The mass number of an element is equal to: the total number of protons and neutrons in the nucleus.

Added 12/3/2014 10:31:49 AM
This answer has been confirmed as correct and helpful.
Flagged by jeifunk [12/3/2014 10:34:13 AM], Unflagged by jeifunk [12/3/2014 10:34:13 AM], Confirmed by jeifunk [12/3/2014 10:34:14 AM]
How does the energy of an electron change when the electron moves closer to the nucleus? a. It decreases. c. It stays the same. b. It increases. d. It doubles.
Question
Updated 12/3/2014 9:55:49 AM
1 Answer/Comment
The energy of an electron change when the electron moves closer to the nucleus when: It decreases.

Added 12/3/2014 9:55:49 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/3/2014 9:57:30 AM]
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