## What is the symbol for the ion with 18 electrons and an ionic charge of?

An ion formed by a certain element with 18 electrons and a charge of +2 constitutes an ion. .We are dealing with an atom whose atomic number is 20..that would be calcium (Ca).

## Which ions has 18 electrons?

A Ca2+ ion has 20 protons and 18 electrons.Calcium atoms have 20 protons and 20 electrons.It indicates the loss of two electrons as indicated by the 2+ charges: 20-2=18.When atoms become ions, electrons are lost or gained.

symbol K

## What ion has 18 electrons with a charge?

An element has 18 electrons and a -2 charge when it forms an ion with 18 electrons.You'll recall that atoms have the same number of electrons as protons and that its atomic number is the number of protons it has.Calcium (Ca) is that atom whose atomic number is 20.

K+

## What atom has 19 protons 21 neutrons and 19 electrons?

A nuclear atom has 19 protons, 21 neutrons, and 19 electrons, but how many electrons?.This is what Quora says.By counting neutrons, we determine which potassium isotope we have.When you add the 19 electrons to the 21 neutrons, you get 40.

a -1 charge

## What is atomic number of ion with and 18 electrons?

This is atom O.ii) number of electrons : number of protons -. ( charge of atom) for an ion (charged atom).(ii) for an ion (charged atom) number of electrons : # of protons -.( charge of atom) . An ion (charged atom) has an electron number equal to the protons minus the charge. Ex: ce has 17-(-1) = 18 electrons.

## How do you find an ion symbol?

The symbol for an ion is written first with the one- or two-letter element symbol, followed by a superscript.The number of charges on the ion is shown in the superscript followed by a + (for positive ions or cations) or – (for negative ions or anions).Atoms with a charge of zero don't have a superscript.

## Which ion would contain 19 electrons?

Potassium atom1919
Potassium ion1918
Sulfur atom1616
Sulfur ion1618

## What is the symbol of the ion having 17 protons and 18 electrons?

…How many atoms is 3mgso4?
ElementSymbol# of Atoms
OxygenO12

## What could have 19 protons 19 electrons and 23 neutrons?

Chemical Elements.com – Potassium (K)

## What is the name of the element that has 18 protons?

Argon
So, the atomic number is also \<18\>, and the element with atomic number \<18\> is Argon with the symbol \.

## What is an anion with 18 electrons?

Explanation: Table salt is NaCl , and thus the anion is Cl− , for which Z=17 . And if there are TWO chlorides, the NEUTRAL salt must contain a doubly charge charged cation. And since this cation has 18 electrons, for the parent atom Z=20 , i.e. the element is calcium.

## What element has 18 protons and 22 neutrons and 18 electrons?

ArgonThe chemical symbol for Argon. A 2 dimensional representation of a Argon atom with 18 protons and 22 neutrons in the nucleus and 18 electrons orbiting the nucleus.

## Which element or ion has 19 protons 18 electrons and 20 neutrons?

The element is NECESSARILY potassium.

## What isotope has 19 protons and 21 neutrons?

Potassium-40
Potassium-40 has 19 protons and 21 neutrons.

## What is the mass for and atom with 19 protons and 20 neutrons?

For example, mass of an element consisting of 19 protons and 20 neutrons is calculated as follows. Therefore, we can conclude that mass number of the given element is 39.

## What does the symbol 39 19 K mean?

It is the number under the element symbol. For potassium it is about 39. This means that the atomic weight is 39 for both protons and neutrons. Since we know that the number of protons is 19 we can calculate the number of neutrons (39 19) as 20.

## What is the symbol for the chemical species with 21 protons and 18 electrons?

3+ ion”>
Sc3+ ion
Answer. The Sc3+ ion contains 21 protons and 18 electrons.

## What is 19 on the periodic table?

Potassium
Potassium – Element information, properties and uses | Periodic Table.

## Which is the correct ion symbol for an ion with 15 protons and 18 electrons?

What is the symbol for an ion having 15 protons and 18 electrons? By referring to a periodic table or table of elements, we see that phosphorus (symbol P) has an atomic number of 15. Thus, each atom has 15 protons. The mass number of the ion is 15 + 16 = 31.

## What’s the ionic charge of an ion with 18 protons and 15 electrons?

3+
Protons are positively charged, while electrons are negatively charged. If the ion has 18 protons and 15 electrons, it has 3 more protons than electrons, therefore, the ion has an overall positive charge of 3+.

## What is the element name for 18 protons 20 neutrons and 18 electrons?

What element has 18 protons, 20 neutrons, and 18 electrons? – Quora. The element is Ar- 38. If you look at the periodic table, argon (Ar) has 18 protons and thus 18 electrons. We can use the number of neutrons (20 neutrons) to find the mass number of the element.

## What is the symbol for a 2+ ion with 18 electrons?

The element that forms an ion with 18 electrons and a charge of +2 is Ca (Calcium).

## Does atomic number equal protons?

The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons.

## How do you find the electrons?

To calculate the numbers of subatomic particles in an atom, use its atomic number and mass number: number of protons = atomic number. number of electrons = atomic number.

## How do you find electrons in ions?

The charge on the ion tells you the number of electrons. If the charge is positive, subtract that number from the atomic number to get the number of electrons. You have more protons. If the charge is negative, add the amount of charge to the atomic number to get the number of electrons.

## What is the charge of an ion that contains 16 protons and 18 electrons?

2–
Thus, each atom or ion of sulfur must contain 16 protons. We are told that the ion also has 16 neutrons, meaning the mass number of the ion is 16 + 16 = 32. Because the ion has 16 protons and 18 electrons, its net charge is 2–.

## What particle has a +1 charge and 19 protons?

Introduction
ParticleElectric Charge (C)Atomic Charge
Protons+1.6022 x 10–19+1
Neutrons
Electrons-1.6022 x 10–19-1

19

## What is the symbol for an ion with 63 protons, 60 electrons, and 88 neutrons? If an ion contains 50

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