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Thallium (Tl) has one more proton then Mercury (Hg), mercury has 79 protons, Thallium has 80 protons.

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11y ago
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10y ago

Chlorine, with the atomic number 17 has one less proton than argon, with the atomic number 18

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11y ago

Zinc.

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Fantasia Union

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1y ago
What have the elements of the copper family been used for

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15y ago

Gold or Au

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15y ago

Boron

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Anonymous

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4y ago

Zinc

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Q: What element has one less proton than Argon?
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