Many atoms have the same number of protons and electrons (neutrons are irrelevant) and if there are more protons than electrons, the atom is positively charged. If there are more electrons than protons, the atom is negatively charged. These are called ions.
net means overall. As in force, net force, Fnet, so it might be the same for net charge.as in a neutral atom the net charge is 0(b'coz magnitude of charge of protons(+ve) and magnitude of electrons(-ve) is 0.)
Net charge on an atom is the difference between the number of an atom's valence electrons and its electrons in a particular configuration.
Example: Nitrite anion -O-N=O. The charge on the single bonded Oxygen: 6 valence electrons - 7 ( tree lone pairs=6 electrons + 1 electron from the single bond to Nitrogen) = -1. The charge on the Nitrogen: 5 valence electrons - 5 (2 electrons from the double bond + 1 electron from the single bond + 2 electrons from the lone pair) = 0. The charge on the double bonded Oxygen: 6 valence electrons - 6 (two lone pairs = 4 electrons + 2 electrons from the double bond) = 0. Hence the total charge on the molecule -1.
Charge distributions can be broken into two basic categories: Discrete and Continuous.
If you have a discrete charge distribution, then you know that are an integer number of charges in some arrangement. For instance, you might have 3 charges placed at the vertexes of an equilateral triangle. You can simply sum the charge of each of the three charges. If the charges have electric charge q1, q2, and q3, then qtotal = q1 + q2 + q3.
If you have a continuous charge distribution, then either clever symmetry or calculus is required to determine total charge. Three common charge distributions are:
If the problem is not stated in terms of a uniform charge distribution or it is not simply decomposed into the above three domains then integration is necessary. Depending on whether the problem is stated in terms of 1D, 2D or 3D, you will be calculating a path integral, surface integral, or volume integral. In general, alpha is some charge per unit (length, area, density), then the total charge is the (path, surface, or volume) integral of alpha integrated over the entire (path, surface, or volume) with respect to the (path, surface, or volume) element defined for preferred coordinate system. If alpha is uniform and independent of position then the problem simplifies considerably (finding the path length, surface area, or volume) and then multiplying it by alpha. However, if alpha is position dependent then you could find yourself with a nasty integral which may require numerical methods to solve.
An element, in its native state, will not have a net charge, i.e. it is zero. If the element is combined, you can find the oxidation number (or valence) however.
you can't find the charge of the atom
Add the number of protons and neutrons.
To find the total number of electrons in an element, first you need to look up the element's atomic number. That number tells you how many protons are in the element. Then, look up the net charge of the element. The number of protons subtracted by the elements net charge will give you the number of its electrons.
The charge will be +2.
No element or ion as stated can exist, because if it contains 23 protons and only 18 electrons, its net charge must be 23 - 18 = 5 plus, not 3 plus.
Helium. (A hydride ion has the same electronic configuration, but hydride is not an element since it has a net electric charge.)
No an electron does not have a net charge of 0, in fact it has a net charge of -1.
To find the total number of electrons in an element, first you need to look up the element's atomic number. That number tells you how many protons are in the element. Then, look up the net charge of the element. The number of protons subtracted by the elements net charge will give you the number of its electrons.
The net charge is the total amount of charge that the ion will have. So you will find out the charge of each group and add them all together for the net charge.
Mg as an element is zero oxygen as an element is likewise zero Mg as an ion +2 Oxgen as an ion -2 MgO compound net zero
The net charge is the sum of all individual charges. If one charge is slightly positive and the other charge is slightly negative, the overall charge will be neutral.
The charge will be +2.
No element or ion as stated can exist, because if it contains 23 protons and only 18 electrons, its net charge must be 23 - 18 = 5 plus, not 3 plus.
Helium. (A hydride ion has the same electronic configuration, but hydride is not an element since it has a net electric charge.)
phosphorus 3-
A sodium atom has a net charge of zero. A sodium ion has a net charge of 1+.
No an electron does not have a net charge of 0, in fact it has a net charge of -1.
Knowing which element it is and its formal charge, subtract the charge from its atomic number.
The MAJORITY of matter has a net charge of ZERO.