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Chemistry

Atomic Number - Chapter 1

QuestionAnswer
Each element has two numbers associated with it; the first number is the ____ atomic number
The atomic number is the number of ____ in the nucleus of the atom protons
Hydrogen contains only one proton, so the atomic number of hydrogen is ____ one
An uranium atom contains 92 protons, 146 neutrons, and 92 electrons. The atomic number of uranium is ______ 92
An atom of magnesium, atomic number 12, must have a nucleus containing _____ protons. If the nucleus contains 12 protons, then there must be how many electrons? 12; 12
The atomic number of an element indicates the number of ____ in the nucleus of the atom and also the number of ____ outside the nucleus protons; electrons
The two numbers assosiated with an element are the ______ and the ______ atomic number; mass number
Created by: sheepdawg
 

 



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