is the atomic number the same as electrons?
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The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus. In an uncharged atom, the atomic number is also equal to the number of electrons. The sum of the atomic number Z and the number of neutrons N gives the mass number A of an atom.
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Atoms of different elements are similar. Because they all are made of electrons, protons, and neutrons. Only difference is There numbers are different.
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Elements are atoms all of the same atomic number, i.e. all atoms of an element have the same number of protons in their nucleus. Substances can be elements but they can also be molecules. ... Substances, loosely defined as the word is, could also be compounds, which can include different kinds of molecules.
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We are shown that the atomic number is the number of protons in an atom. We see that the mass number minus the atomic number is the number of neutrons. We complete the atomic structure by explaining that atoms have the same number of protons and electrons.
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The atomic number (number at the top) is the amount of protons and the amount of electrons. So if an element has an atomic number of 5, you know that it has 5 protons and 5 electrons. The atomic mass (number at the bottom) is the amount of protons and neutrons added together.
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Atomic number is equal to the number of protons and number of electrons in the nucleus . Mass no is equal to the sum of the number of protons and neutrons in the nucleus of an atom.
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The number of protons in an atom is the atomic number of that element. That's also the number of electrons, since atoms are neutrally-charged. Finally, the difference between the atom's weight and the atomic number is the number of neutrons. This is an incredible answer.
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The atomic numbers are listed along with the names and symbols of the elements on the inside cover of the text. The atomic number equals the charge on the nucleus. It therefore also equals the number of protons in the nucleus and also equals numerically the number of electrons in the neutral atom.
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The number of protons within the atom's nucleus is called atomic number and is equal to the number of electrons in the neutral (non-ionized) atom. Each atomic number identifies a specific element, but not the isotope; an atom of a given element may have a wide range in its number of neutrons.
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Atoms having the same number of protons (and therefore the same number of electrons) but different numbers of neutrons are called isotopes of the element in question. Thus, the isotopes of an element have the same atomic number but differ in their atomic mass number.
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Atoms do not always contain the same number of electrons and protons, although this state is common. When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons).
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A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons. ... All isotopes of a particular element have the same number of protons, but can have different numbers of neutrons.
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You can also find the core and valence electrons by determining or looking up the electron configurations of the main group elements. The atomic number is the number of protons in the nuclei of the atoms of an element. A neutral atom has the same number of electrons as protons.
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The number of protons in an atom of an element is its atomic number . Remember that: all atoms of a given element have the same number of protons. atoms of different elements have different numbers of protons.
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The number of protons in the nucleus of an atom is known as the atomic number, Z. It is the same as the number of electrons around the nucleus of the electrically-neutral atom. The mass number of an atom is equal to the total number of protons and neutrons.
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Understand that isotopes of an element have different mass numbers but the same number of protons. Using the Periodic Table, find the atomic number of the element. The atomic number equals the number of protons. In a balanced atom, the number of electrons equals the number of protons.
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Elements in the same group in the periodic table have the same number of electrons in their outer shell (outer electrons) and this gives them similar chemical properties. Explain how the position of an element in the periodic table is related to the arrangement of electrons in its atoms and hence to its atomic number.