Table of Contents
What element has protons in its nucleus?
Hydrogen
Consider the element helium. Its atomic number is 2, so it has two protons in its nucleus. Its nucleus also contains two neutrons….Mass Number.
| Name | Hydrogen |
|---|---|
| Symbol | H |
| Protons | 1 |
| Neutrons | 0 |
| Electrons | 1 |
Which element has the most neutrons in the nucleus?
Uranium
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.)
Which elements have more protons than neutrons in the nucleus?
According to Wikipedia: Other than protium (ordinary hydrogen), helium-3 is the only stable isotope of any element with more protons than neutrons.
What is number of protons in the nucleus of an atom?
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. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.
What tells you the number of protons in its nucleus?
atomic number
Explanation: The atomic number equals the number of protons in the atom. in a neutral atom the number of protons equals the number of electrons. so the atomic number gives the protons and the number of electrons in a neutral atom.
How many protons are found in the nucleus of radon?
86 protons
In either case, it simply designates the element radon, which always has 86 protons, and that the particular isotope of radon in question is the one with 136 neutrons.
How many protons are in the nucleus of chlorine?
17 protons
While a chlorine atom always has 17 protons, it can have any number of neutrons. Two atoms with the same number of protons and different number of neutrons are called isotopes.
What element has the least protons in the nucleus?
The negative charge of one electron balances the positive charge of one proton. Both protons and neutrons have a mass of 1, while electrons have almost no mass. The element hydrogen has the simplest atoms, each with just one proton and one electron. The proton forms the nucleus, while the electron orbits around it.
What is an atom with more protons than electrons?
A cation has more protons than electrons, consequently giving it a net positive charge.
How many protons are in the most stable nucleus?
50 protons
As in part b, this value and the atomic number both suggest stability. In addition, the isotope has an even number of both neutrons and protons, which tends to increase nuclear stability. Most important, the nucleus has 50 protons, and 50 is one of the magic numbers associated with especially stable nuclei.
Is the number of protons found in the nucleus of every atom of that element?
The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus.
What element has has 8 protons and 10 electrons?
O2- indicates an ion of oxygen having two extra electrons. I.e., since an oxygen atom normally has 8 protons and 8 electrons, this ion has 10 electrons (-10 charge) and 8 protons (+8 charge) giving it a charge of -2 (-10 + 8 = -2). Also Know, how many total electrons are in a sr2+ ion?
Which elements most readily accept electrons?
Fluorine is the strongest oxidizing agent because fluorine atoms are the smallest halogen atoms, and so accept electrons most easily.
Which element has the highest atomic number?
Uranium (atomic number=92) is the element with the highest atomic number found in significant quantities on earth or elsewhere. The elements astatine (atomic number=85) and francium (atomic number=87), along with all the other known elements (up to atomic number 109) were discovered when first made artificially;
What element has 53 protons and 74 neutrons?
Iodine has 53 protons and 74 neutrons. Its atomic mass is 127.