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Arsenic must gain 3 electrons to become the As-3 ion.

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The ion formed by an arsenic atom is?

The ion formed by an arsenic atom is As3- (arsenide ion) when it gains three electrons or As3+ (arsenite ion) when it loses three electrons.


How many electrons does the arsenic ion which has a -3 charge have?

The arsenic ion with a -3 charge has gained 3 electrons, giving it a total of 3 more electrons than the neutral arsenic atom. Arsenic typically has 33 electrons in its neutral state, so the arsenic ion with a -3 charge would have 36 electrons.


An atom can become an ion by losing?

An atom can become an ion by losing electrons. It can accomplish the same thing by gaining electrons.


What is the symbol of an arsenic ion?

The symbol for an arsenic ion is As3+.


Is helium an isotope atom or ion?

Helium is a neutral atom that has several isotopes and can become an ion.


How many electrons does an arsenic atom have?

There are 33 electrons in an Arsenic atom.


What does an atom become when it loses or gains electrons?

it becomes an ion


How does an atom becone an ion?

An atom looses or gains electron to become ion. Ions are +ve and -ve atoms.


What is an atom or group of atoms that become electrically charged?

IONS OS ION ^^A charged atom is called an ion


Which is larger an arsenic ion or a bromine ion?

An arsenide ion is larger than a bromide ion, but a bromide ion is larger than an arsenic ion. Recall that arsenic can have several oxidation states. It can be a cation or an anion.


When an atom loses a valence electron it becomes a what ion?

It will become a soft ion.


What different between arsenite and arsenate?

Arsenate is a compound comprised of arsenic that has a +3 oxidation state. Arsenate is usually an ion but can also become a compound containing that ion with esters or salts made of arsenic acid.