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Element Identification Based on Atomic Structure
Identify the element based on the number of protons, neutrons, electrons
10
Chemistry
11th Grade
01/21/2013

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Term
1 proton, 1 electron
Definition
Hydrogen (H)
Term
2 neutrons, 2 electrons, neutral charge
Definition
Helium (He)
Term
Weight of 16 amu, 8 neutrons
Definition
Oxygen (O)
Term
When it has 18 electrons, its charge is +1
Definition
Potassium (K)
Term
3 electrons, 4 neutrons, neutral charge
Definition
Lithium (Li)
Term
Number of neutrons in Fluorine atom if the weight is 19
Definition
10 neutrons
Term
Number of electrons in Chlorine atom if the charge is -1
Definition
18 electrons
Term
Number of protons in Nitrogen atom if the weight is 15
Definition
7 protons (Always! Protons define the atomic identity. Neutrons may change.)
Term
Weight of an oxygen isotope if the neutron number is 10.
Definition
18 amu
Term
20 neutrons, weight of 40 amu
Definition
Calcium (Ca)
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