Any atom with no charge, which is all atoms in their purest, most basic form, have the same number of protons and electrons. They only have different numbers after they have reacted with something else and formed compounds like salt (sodium chloride), water and carbon dioxide.
Under normal conditions, i.e. non-ionic, the number of protons is equal to the number of electrons.
The number of electrons can be determined if the overall charge and number of protons are known. If the charge of an atom is neutral, then how ever many protons it has it will also have that number of electrons.
Protons = 17, electrons = 18There are two isotopes differing in neutron number only :Cl-35 (75%) having 35-17= 18 neutronsCl-37 (25%) having 37-17= 20 neutrons
First off, an ion is an atom that is either positively or negatively charged, meaning that it has more electrons than protons, or vice versa. Electrons are negative; protons are positive; neutrons are neutral, hence the name. Protons and neutrons are located in the nucleus, electrons are in a series of rings around the nucleus. A stable ion is simply an ion whose outermost ring is full. An easy way to visualise this is by picturing a Bohr diagram.
79 protons and electrons 118 neutrons
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NO! No atom of one element ever has the same atomic number as an atom of a different element, because atomic number is the property that characterizes an element and distinguishes it from all other elements.
Silver has one valence electron.
Only of isotopes. Calcium is an element. No mixture of chemicals can ever be a single element. The atoms of any element, such as calcium, always have the same number of protons and the same number of electrons. The number of electrons in an atom is the same as the number of protons in that atom. Different Isotopes of an element have different numbers of neutrons in the nucleus, but this doesn't change any of the chemical properties.
no. because if the number of protons changes, then the element changes
- Electron - surrounding the nucleus in orbitals/shells with a negative charge and are in a electron cloud - Proton - make up the nucleus with the positive charge - Neutron - make up the nucleus with no charge what so ever
They have always done that, ever since atoms and electrons existed.