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20 protons indicate that the particle has an atomic number of 20 and is thus, calcium Ca. Since it has two more protons than it has electrons it must have a charge of 2+. So, the symbol will be Ca2+.

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10y ago
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15y ago

K+, ions have positive charge and element 19 is K Potassium. good luck

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12y ago

The ion is K+ also known as Potassium

Melting Point: 63.65 °C (336.8 K, 146.57 °F)

Boiling Point: 774.0 °C (1047.15 K, 1425.2 °F)

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10y ago

Argon has 22 protons, 24 neutrons and 18 electrons. Therefore, the ion is A+.

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DADDY ib7

Lvl 2
3y ago

what is the symbol for an ion with 22 protons 24 neutrons and 18 electrons

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Dylan Darcy

Lvl 2
2y ago

What is the symbol of an ion with 22 protons, 24 neutrons, and 18 electrons?

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Wiki User

15y ago

p+

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Q: What ion contains 19 protons 20 neutrons 18 electrons?
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