Question

Write and Learn atomatic number,name,symbol,number of electrons protons and neutrons and atomic masses to Elements up to 20.​

Answer 1

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Question :-

Atomic Number , Name , Symbol , Number of electrons , protons ,Neutrons and atomic masses of elements up to 20 .

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Answer :-

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$\boxed{\huge{\tt{1.\; Hydrogen}}}$

• Name - Hydrogen
• Symbol = H
• Atomic Number = 1
• Number of electrons = 1
• Number of Protons = 1
• Number of Neutrons = 0
• Atomic Mass = 1

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$\boxed{\huge{\tt{2.\; Helium }}}$

• Name - Helium
• Symbol = He
• Atomic Number = 2
• Number of electrons = 2
• Number of protons = 2
• Number of neutrons = 2
• Atomic Mass = 4

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$\boxed{\huge{\tt{3.\; Lithium }}}$

• Name - Lithium
• Symbol = Li
• Atomic Number = 3
• Number of electrons = 3
• Number of protons = 3
• Number of neutrons = 3
• Atomic Mass = 6

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$\boxed{\huge{\tt{4.\; Beryllium }}}$

• Name = Beryllium
• Symbol = Be
• Atomic Number =4
• Number of electrons = 4
• Number of protons = 4
• Number of neutrons = 5
• Atomic Mass = 9

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$\boxed{\huge{\tt{5.\; Boron }}}$

• Name - Boron
• Symbol = B
• Atomic Number = 5
• Number of electrons = 5
• Number of protons = 5
• Number of neutrons = 5
• Atomic Mass = 10

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$\boxed{\huge{\tt{6.\; Carbon }}}$

• Name - Carbon
• Symbol = C
• Atomic Number = 6
• Number of electrons = 6
• Number of protons = 6
• Number of neutrons = 6
• Atomic Mass = 12

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$\boxed{\huge{\tt{7.\; Nitrogen }}}$

• Name - Nitrogen
• Symbol = N
• Atomic Number = 7
• Number of electrons = 7
• Number of protons = 7
• Number of neutrons = 7
• Atomic mass = 14

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$\boxed{\huge{\tt{8.\; Oxygen }}}$

• Name - Oxygen
• Symbol = 0
• Atomic Number = 8
• Number of electrons = 8
• Number of protons = 8
• Number of neutrons = 8
• Atomic Mass = 16

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$\boxed{\huge{\tt{9.\; Fluorine }}}$

• Name - Fluorine
• Symbol = F
• Atomic Number = 9
• Number of electrons = 9
• Number of protons = 9
• Number of neutrons = 10
• Atomic Mass = 19

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$\boxed{\huge{\tt{10.\; Neon }}}$

• Name - Neon
• Symbol = Ne
• Atomic Number = 10
• Number of electrons = 10
• Number of protons = 10
• Number of neutrons = 10
• Atomic Mass = 20

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$\boxed{\huge{\tt{11.\; Sodium}}}$

• Name - Sodium
• Symbol = Na
• Atomic Number = 11
• Number of electrons = 11
• Number of protons = 11
• Number of neutrons = 11
• Atomic Mass = 22

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$\boxed{\huge{\tt{12.\; Magnesium}}}$

• Name - Magnesium
• Symbol = Mg
• Atomic Number = 12
• Number of electrons = 12
• Number of protons = 12
• Number of neutrons = 12
• Atomic Mass = 24

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$\boxed{\huge{\tt{13.\; Aluminum }}}$

• Name - Aluminum
• Symbol = Al
• Atomic Number = 13
• Number of electrons = 13
• Number of protons = 13
• Number of neutrons = 14
• Atomic Mass = 27

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$\boxed{\huge{\tt{14.\; Silicon}}}$

• Name - Silicon
• Symbol = Si
• Atomic Number = 14
• Number of electrons = 14
• Number of protons = 14
• Number of neutrons = 14
• Atomic Mass = 28

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$\boxed{\huge{\tt{15.\; Phosphorus }}}$

• Name - Phosphorus
• Symbol = P
• Atomic Number = 15
• Number of electrons = 15
• Number of protons = 15
• Number of neutrons = 16
• Atomic Mass = 31

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$\boxed{\huge{\tt{16.\; Sulphur }}}$

• Name - Sulphur
• Symbol = S
• Atomic Number = 16
• Number of electrons = 16
• Number of protons = 16
• Number of neutrons = 16
• Atomic Mass = 32

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$\boxed{\huge{\tt{17.\; Chlorine }}}$

• Name - Chlorine
• Symbol = Cl
• Atomic Number = 17
• Number of electrons = 17
• Number of protons = 17
• Number of neutrons = 18
• Atomic Number = 35.5

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$\boxed{\huge{\tt{18.\; Argon }}}$

• Name - Argon
• Symbol = Ar
• Atomic Number = 18
• Number of electrons = 18
• Number of protons = 18
• Number of neutrons = 22
• Atomic Mass = 40

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$\boxed{\huge{\tt{19.\; Potassium }}}$

• Name - Potassium
• Symbol = K
• Atomic Number = 19
• Number of electrons = 19
• Number of protons = 19
• Number of neutrons = 20
• Atomic Mass = 39

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$\boxed{\huge{\tt{20.\; Calcium}}}$

• Name - Calcium
• Symbol = Ca
• Atomic Number = 20
• Number of electrons = 20
• Number of protons = 20
• Number of neutrons = 20
• Atomic Mass = 40

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