When the number of protons and electrons is not equal, we have an ion, a charged atom or molecule. For example, if a lithium (Li) atom (see above), which has three protons (that's what makes it a lithium atom), only has two electrons, its net charge is
(+3) + (-2) = +1
.
What is the net charge of 3 protons and 2 electrons?
Answer: The net charge on the atom is
+1
.
What is an atom with 3 protons and 2 neutrons?
| Name Protons Neutrons | Helium 2 2 | Lithium 3 4 | Beryllium 4 5 | Boron 5 6 |
|---|
What ion has 3 protons 2 electrons?
There are three protons, so the atomic number is 3, which corresponds with lithium (Li). Counting the electrons surrounding the nucleus shows two electrons. The algebraic sum of +3 and -2 is +1, so the ion has a charge of +1, and the symbol is
Li+
.
What is the charge of 3 protons?
3 protons, 3 neutrons, 2 electrons
Charge
-2
, 8 neutrons, mass number 17.
What is the charge of 3 electrons?
| Electron Charge Coulombs | 3 e 0.00000000000000000048065 C | 4 e 0.00000000000000000064087 C | 5 e 0.00000000000000000080109 C | 6 e 0.00000000000000000096131 C |
|---|
What particle has no charge?
Neutron
, neutral subatomic particle that is a constituent of every atomic nucleus except ordinary hydrogen. It has no electric charge and a rest mass equal to 1.67493 × 10
− 27
kg—marginally greater than that of the proton but nearly 1,839 times greater than that of the electron.
What element has most neutrons?
Uranium
, for example, has the largest naturally occurring nucleus with 92 protons and over 140 neutrons. where, A is the mass number of the element's nuclei, and Z is the atomic number (X stands for the element symbol, for example: H is for hydrogen, O is for oxygen, Na for sodium, etc.)
What element has 2 protons neutrons?
Helium
is the second element of the periodic table and thus is an atom with two protons in the nucleus. Most Helium atoms have two neutrons in addition to the protons. In its neutral state, Helium has two electrons in orbit about the nucleus. Model of a helium atom's nucleus with two protons and two neutrons.
What element has 17 protons and 18 neutrons?
An element with 17 protons will always be
chlorine
. However an element's mass numbers can vary, which means that it can have different numbers of neutrons. So although chlorine has a mass number of 35 which means it has 18 neutrons, it can also have a mass number of 37, which means it has 20 neutrons.
What is the symbol of an ion with 20 protons 20 neutrons and 18 electrons?
Ca
2 +
represents an ion with 20 protons and 18 electrons.
What has 9 protons and 10 neutrons?
Consider
fluorine
atoms with 9 protons and 10 neutrons.
Which species has 9 electrons?
The element
fluorine
has 9 protons and 9 electrons.
Which element has 3 protons 4 neutrons and 3 electrons?
| Name | Lithium | Symbol | Li | Atomic Number | 3 | Protons | 3 | Neutrons | 4 |
|---|
What is the charge of a neutral atom if it loses 3 electrons?
In your case, the ion is said to have a
3+ charge
. This means that the neutral atom of element M lost three electrons in order to form the M3+ cation. Since a neutral atom has equal number of electrons and protons, you can say that the nucleus of M contains 13 protons.
Do protons have a positive charge?
Proton, stable subatomic particle that has a
positive charge equal in magnitude
to a unit of electron charge and a rest mass of 1.67262 × 10
− 27
kg, which is 1,836 times the mass of an electron.
