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Atomic number of an atom is equal to the number of?
The atomic number of an atom is the number of protons in that atom. For example, the atomic number of hydrogen is 1 because one hydrogen atom have one proton.
What is the atomic number of hydrgen?
Hydrogen(H) is the smallest atom that we know of. Its atomic number is 1.
What are the atomic numbers and atomic mass?
Atomic Number :- atomic number of an element is the number of protons present in the nucleus of the atom. (since atoms are electrically neutral the number of protons in an atom is equal to the number of electrons in an atom) Atomic Mass :- atomic mass of an element is the number which tells us how many times an atom of that element is heavier than an atom of hydrogen (whose atomic weight is taken as unity [1])
Atomic number of hydrogen?
The atomic number of hydrogen is 1, which means that a hydrogen atom has one proton in its nucleus.
The mass number of an atom can be equal to the atomic number.?
Yes but only if there are no neutrons, such as in hydrogen (atomic number=1, relative Atomic Mass-1)
What atomic number of an atom reveals the number of?
The atomic number of an atom is its number of protons. For instance, a hydrogen atom has an atomic number of one, meaning there is one proton in one hydrogen atom. Also, as there are the same number of protons as there are electrons in a neutral atom, the atomic number can also be thought of as the number of electrons in an atom, as long as the atom's neutral.
How do you calculate the number of protons in the nucleus of an atom?
The number of protons in a atom is equivalent to its atomic number. Hydrogen's atomic number is 1, there fore it has 1 proton. Coppers atomic number is 29 so it has a proton count of 29. And so on.
Is the mass number of an atom equal to the atomic number?
Only if the atom is hydrogen-1! The mass number of the atom is equal to the sum of the numbers of protons, which is the same as the atomic number, plus the number of neutrons. The only non-radioactive atom without neutrons is hydrogen-1.
Atomic number of an atom is equal to?
The number of electrons it has. For example Hydrogen has atomic number of 1 so it has 1 electron round it.
What is number of positively charged protons in an atom's nucleus is the?
the number of protons in a single atom depends on the element. for example, hydrogen would have 1, helium would have 2, beryllium would have 3, and so on. the number of protons in a single atom depends on the element. for example, hydrogen would have 1, helium would have 2, beryllium would have 3, and so on.
What is the atomic number of NH3?
NH3 is a compound, not an element. It does not have an atomic number. If you mean the number of atoms in the molecule the answer is 4: 1 nitrogen and 3 hydrogen. This is not the same as atomic number.
How is an atoms atomic number related to it's number of protons to electrons?
The atomic number of an atom is the number of protons in the nucleus of that atom. The number of electrons will equal the number of protons in that atom if that atom is a neutral one. Other than that, we would have to know the atomic number (which is the number of protons that atom has), and the overall charge of the atom. With that information, we could discover how many electrons that atom had by simple mathematics. If an atom had 11 protons and a charge of +1, it would have one less electron than the number of protons, or 10 electrons. If an atom had 53 protons and a charge of -1, it would have 54 electrons. The ratio from atomic number to the number of protons in an atom is 1:1. The elements are categorized by the number of protons they have, as that is the difference between two elements. Conceptually, atomic number and proton number are the same.
