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What did Henry moseley discover about the atom?
He found that atoms of each element contain a unique positive charge in their nucleus. This discovery helped to solve the mystery of what makes the atoms of one element different from those of another: An atom's identity comes from the number of protons in its nucleus.
How many protons are in an atom?
It depends entirely on the identity of the atom. Each element has a unique number of protons. In fact, the number of protons in an atom is what tells you what element it is! For instance, hydrogen (H) has 1 proton, carbon (C) has 6 and copper (Cu) has 29.If you look at the periodic table, than you'll see that each element in the table has a number. That number is called the atomic number, and that number is exactly equal to the number of protons in that particular element's nucleus.See the Web Links to the left of this answer for a periodic table
What property of elememnt coinium distinguishes its pre?
The property that distinguishes coinium from other elements is its ability to carry both positive and negative electric charge simultaneously, making it unique in its behavior and interactions with other elements. This dual charge property is what gives coinium its distinctive properties and makes it an intriguing element for study.
What is the definition for number of protons in the nucleus of an atom?
The number of protons in neutrons in the nucleus of an atom is defined as atomic mass. The average atomic mass for all the isotopes of an element is given as the element's atomic weight. This is why atomic weights are decimal numbers.
What equals the number of protons in an atom?
Scientists have designated electrons as having a negative charge and protons as having a positive charge. One positive proton can hold one negative electron in orbit. Thus, an atom with one proton in its nucleus normally will have one electron in orbit (and be labeled a hydrogen atom); an atom with ninety-four protons in its nucleus will normally have ninety-four electrons orbiting it (and be labeled a plutonium atom).
Who was Mosley the Scientist?
The chemist who discovered that each element has a unique spectrogram.
Uununseptium is the temporary name given to element 117 It is a halogen What is unique about this element?
it has not yet been discovered
What did Henry moseley discover about the atom?
He found that atoms of each element contain a unique positive charge in their nucleus. This discovery helped to solve the mystery of what makes the atoms of one element different from those of another: An atom's identity comes from the number of protons in its nucleus.
How many protons are in an atom?
It depends entirely on the identity of the atom. Each element has a unique number of protons. In fact, the number of protons in an atom is what tells you what element it is! For instance, hydrogen (H) has 1 proton, carbon (C) has 6 and copper (Cu) has 29.If you look at the periodic table, than you'll see that each element in the table has a number. That number is called the atomic number, and that number is exactly equal to the number of protons in that particular element's nucleus.See the Web Links to the left of this answer for a periodic table
What property of elememnt coinium distinguishes its pre?
The property that distinguishes coinium from other elements is its ability to carry both positive and negative electric charge simultaneously, making it unique in its behavior and interactions with other elements. This dual charge property is what gives coinium its distinctive properties and makes it an intriguing element for study.
What are water's bad qualities?
Water has several properties that make it a very unique substance. ... the water molecule tends to have a positive charge while the other has a negative charge.
How is the nuclear charge determined?
The nuclear charge is determined by the number of protons in an atom's nucleus. It is equal to the atomic number of the element, which is unique for each element on the periodic table. The nuclear charge plays a significant role in determining the chemical properties of an element.
How could scientists know that helium was a different element from any previously discovered?
I believe Helium was discovered by looking at the spectral lines of colour in sunlight. The two variants of helium found blocked out unique and previously unblocked areas of the spectrum. These spectral lines were unique to Helium and as such scientists knew it was unique.
What is the neutron and proton responsible for in an atom?
Protons make up the identity of the element and give it its unique properties. Protons have a positive charge. Neutrons give an atom additional mass, and the number of neutrons in an atom make it an isotope of an element. Neutrons have no charge.
Where was argon discovered?
Argon was discovered in 1894 by scientists Lord Rayleigh and Sir William Ramsay at the University of London. They identified it as a new element by isolating it from air and observing its unique chemical properties.
Identify the subatomic particle used to define an element and explain why this particle is used.?
no i cant answer it
Which subatomic particle determines what element the atom is?
The proton. Usually the number of protons and electrons are the same (in a neutral atom), but if the atom is an ion and has a charge, then the numbers will be different (and the difference will be the ion's charge, positive or negative depending on which number is higher.) There can be isotopes of the same element with differing numbers of neutrons. But as long an atom has 12 protons, even if it has 500 neutrons and elections (no, that won't happen), it's always still a carbon atom.
