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What is the mass number of atom equal to?
proton
What happens if an atom of uranium loses a proton?
If an atom of uranium loses a proton, it becomes an atom of an element with one less proton in its nucleus, known as an isotope of a different element. This change can alter the atomic number, mass number, and chemical properties of the atom.
What type of particle has an atomic number of 1 and a mass number of 1?
Of the common sub-atomic particles, both the proton and the neutron have mass numbers of 1.
How can there be 1 proton with a hydrogen atom with a mass?
Though a hydrogen atom typically has one proton, its mass is not solely determined by the proton. The mass of a hydrogen atom comes from the combination of the proton and an electron. The electron contributes a much smaller amount to the overall mass compared to the proton.
What is a direct consequence of the number of protons and neutrons in an atom's nuceuls?
Number of proton = atom numberfor example:Hydrogen has 1 proton and its atom number is also 1Number of neutrons + number of protons = mass numberfor example:Hydrogen have 1 proton and and NO neutrons, so the mass number is 1Helium has 2 protons and and 2 neutrons, so the mass number is 4
What is the mass number of atom equal to?
proton
What happens if an atom of uranium loses a proton?
If an atom of uranium loses a proton, it becomes an atom of an element with one less proton in its nucleus, known as an isotope of a different element. This change can alter the atomic number, mass number, and chemical properties of the atom.
What type of particle has an atomic number of 1 and a mass number of 1?
Of the common sub-atomic particles, both the proton and the neutron have mass numbers of 1.
How can there be 1 proton with a hydrogen atom with a mass?
Though a hydrogen atom typically has one proton, its mass is not solely determined by the proton. The mass of a hydrogen atom comes from the combination of the proton and an electron. The electron contributes a much smaller amount to the overall mass compared to the proton.
A postively charged particle in an atom?
A positively charged particle in an atom is the proton. Protons are found in the nucleus of the atom along with neutrons, and they carry a positive charge equal in magnitude to the negative charge of the electron. The number of protons in the nucleus determines the atomic number of an element.
What is a direct consequence of the number of protons and neutrons in an atom's nuceuls?
Number of proton = atom numberfor example:Hydrogen has 1 proton and its atom number is also 1Number of neutrons + number of protons = mass numberfor example:Hydrogen have 1 proton and and NO neutrons, so the mass number is 1Helium has 2 protons and and 2 neutrons, so the mass number is 4
The mass number of an atom is equal to what?
The mass number of an atom is equal to the sum of its protons and neutrons. It is represented by the letter "A" in the chemical symbol notation, where A = number of protons + number of neutrons in the nucleus of the atom.
What is the mass number for 1 proton and 0 neutrons?
The mass number is (by definition) the total sum of proton and neutron number in the nucleus of one particular isotope of an element.
What important number in an atom distinguishes that atom from every other type of atom?
I believe the Proton Number (being the number of protons in the centre/nucleus of the atom) is the most important number in an atom. Oxygen for example has 8 protons and 8 neutrons. if it had more/less neutrons it would still be oxygen (it would be an ISOTOPE of oxygen) but if it had more/less protons, it would be a differnet element entirely. Ordinarily, the number of protons in an atom matches the number of electrons spinning around the outside so as to keep it neutral. (a proton has a positive charge and a neutron has a negative charge) the relative atomic mass of an element is the proton number + the neutron number as electrons weigh so little their mass is not worth taking into account.
Why isnt the mass of the electron included in the mass of an atom on the periodic table?
the mass of electron is very less compared to that of a proton or a neutron it is 1/1800 the mass of 1 proton and therefore it is negligible and not included.
What Particles responsible for the mass of atom?
The three main sub-atomic particles of an atom are proton, neutron and electron. The mass of a proton is about 1800 times the mass of an electron and the masses of proton and neutron are almost similar. Hence, mass of only proton and neutron is counted towards the mass of an atom.
Which radioisotope has an atom that emits a particle with a mass number of 0 and a charge of plus 1?
Proton emission is a type of radioactive decay where an atom emits a proton with a mass number of 0 and a charge of plus 1. An example of a radioisotope that undergoes proton emission is iodine-123.
