Sodium (Na) - 11 Atomic Number = - - Atomic Mass = neutrons

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Presentation transcript:

Sodium (Na) - 11 Atomic Number = - - Atomic Mass = 23 - 12 neutrons + + + + 12 neutrons +11 protons 23 + - - + - - + + + + + P= N= E= 11 - - - 12 11

Oxygen (O) 8 Atomic Number = Atomic Mass = 16 - - - 8 neutrons + 8 neutrons + 8 protons 16 + + + - + + - + + P= N= E= 8 - 8 - - 8

Helium (He) 2 Atomic Number = Atomic Mass = 4 2 neutrons + 2 protons 4

Lithium (Li) 3 Atomic Number = Atomic Mass = 7 4 neutrons + 3 protons

Neon (Ne) 10 Atomic Number = - - Atomic Mass = 20 - 10 neutrons + + 10 neutrons +10 protons 20 + - + - + - - + + + P= N= E= 10 + + - 10 10 - -

Calcium (Ca) - - 20 Atomic Number = - - Atomic Mass = 40 - - - + - + 20 neutrons +20 protons 40 + + - - + - + - - + - + + + + + + + + + + + - + P= N= E= 20 + - 20 - - - 20 - -

Aluminum (Al) 13 Atomic Number = - - Atomic Mass = 27 - - - + + 14 neutrons +13 protons 27 + - - + + + - - - + + + + P= N= E= 13 + + + - 14 - - 13

Fluorine (F) 9 Atomic Number = - - Atomic Mass = 19 - 10 neutrons + + 10 neutrons + 9 protons 19 + - + + - + - + + + P= N= E= 9 10 - 9 - -

Beryllium (Be) 4 Atomic Number = - Atomic Mass = 9 - 5 neutrons + 4 protons 9 + + + P= N= E= 4 + 5 - 4 -

Phosphorus (P) 15 Atomic Number = - - Atomic Mass = 31 - - - 16 neutrons +15 protons 31 + + + + - + + + - - - - - + + + + P= N= E= 15 + + + + 16 - 15 - - -