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atoms that occur as 2 atom molecules (N,O,F,Cl,Br,I,H)

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The Rule of Seven refers to seven specific elements on the Periodic Table that share certain properties. These elements are hydrogen (H2), Oxygen (O2) Nitrogen (N2) Flourine (F2), chlorine (Cl2), bromine (Br2) and iodine (I2).

The positions of these seven elements form the shape of a 7 on the periodic table. The properties they share are these: They have the greatest stability in the diatomic (2 atom) form, and they are bonded covalently.

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10y ago
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9y ago

these are seven horizontal rows called PERIODS. Showing number of orbits in atoms of these periods.

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13y ago

Noble Gases

Helium

Neon

Argon

Krypton

Xenon

Radon

Element 118

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11y ago

There are 7 periods in the periodic table.

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10y ago

These elements are: manganese, technetium, rhenium, bohrium.

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10y ago

The horizontal rows on the periodic table are called periods.

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Q: How many elements make up group 7 in the periodic table?
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