Flashcards
Untitled
Cards in this deck (6)
- 1The three elements in the atom?proton, neutron, electron
- 2how do you find out the neutron?simply take the mass number away from the atomic number
- 3what's the mass number?the mass number is protons and neutrons in the nucleus.
- 4atomic number is....number of protons in the nucleus.
- 5how many electrons are on the outer shell?2, 8, 8, 2
- 6—
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- Flashcards on Untitled, created by Mahdiya Jannat on 23/02/2017.
- Created by
- Mahdiya Jannat · Feb 2017
- Updated
- Feb 23, 2017
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