the chemical element of an atom is determined by the number
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What does Z in chemistry mean? In chemistry and physics, the atomic number of a chemical element (also known as its proton number) is the number of protons found in the nucleus of an atom of that element, and therefore identical to the charge number of the nucleus.
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Law of Conservation of Energy The chemical and nuclear properties of the nucleus are determined by the number of protons, called the atomic number, and the number of neutrons, called the neutron number. The atomic mass number is the total number of nucleons.
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element 1) In chemistry and physics, an element is a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction. An element is uniquely determined by the number of protons in the nuclei of its atoms. The number of protons in the nucleus of the atom of an element is known as the atomic number of that element. The number of electrons in the atom of a specific element can vary. If the number of electrons is the same as the number of protons, then the atom has no electric charge.
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Which subatomic particle determines what the element is? The other answers are correct; the number of protons determines the element. Electrons determine the overall charge, and neutrons determine isotopes.
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Protons The number of protons is also the atomic mass. The number of protons determines chemical properties, such as reactivity. The number of protons in an atom's nucleus determines an atom's atomic number.
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Is it the protons or electrons that are responsible for an element's propert i.e it determines number of electrons in an electrically neutral atom. Obviously if it is a huge element with lots of nucleons, then the physical properties will be inherently different (although the electrons still play a significant role), but the electrons are responsible for the chemical properties. #4. lightarrow.
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What Determines the Chemical Properties of an Element? Quick Answer. The chemical properties of an element are determined by the electrons in the partly filled outermost shell. This shell is referred to as the valence shell. There are one or more subshells in each shell, and each subshell is made up of one or more atomic orbitals.
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- The mass number of an isotope is determined by the total number of neutrons and protons in the nucleus. Stable Chemical Elements. A stable chemical element is one that contains an optimal ratio or range of ratios between the number of protons and neutrons in the nucleus.
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- Electrons is the literal answer but the number of electrons themselves are determined by the number of protons. It's all somewhat inter-related. Leviathan · 5 years ago. Thumbs up. 0. Thumbs down. 1. Comment.
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Atom A neutral atom has an equal number of protons and electrons so that the positive and negative charges exactly balance. Since it is the electrons that determine how one atom interacts with another, in the end it is the number of protons in the nucleus that determines the chemical properties of an atom. Atomic mass and isotopes. The number of neutrons in a nucleus affects the mass of the atom but not its chemical properties.
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Introduction Atoms of each element contain a characteristic number of protons. In fact, the number of protons determines what atom we are looking at (e.g., all atoms with six protons are carbon atoms); the number of protons in an atom is called the atomic number. In contrast, the number of neutrons for a given element can vary.
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General Chemistry/Numbers Used to Describe Atoms General Chemistry/Numbers Used to Describe Atoms - Numbers. 1  The Atomic number is the number of protons in the nucleus of an atom. This number determines the element type of the atom. 2  The atomic number is sometimes denoted Z. Continuing with the example of neon, Z = 10 {\displaystyle Z=10} .
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How Is the Identity of an Element Determined? What is an atomic number? The atomic number is the number of protons in the nucleus of an atom, according to M.J. Farabee, author of Chemistry 1: Atoms and Molecules. The number of protons define the identity of an element, and it determines how many electrons surround the nucleus.
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element 1) In chemistry and physics, an element is a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction. An element is uniquely determined by the number of protons in the nuclei of its atoms. The number of protons in the nucleus of the atom of an element is known as the atomic number of that element. The number of electrons in the atom of a specific element can vary. If the number of electrons is the same as the number of protons, then the atom has no electric charge. However, if the number of electrons is different from the number of protons, the atom is called an ion. If there are more electrons than protons, it is a negative ion; if there are fewer electrons than protons, it is a positive ion. The number of neutrons in the atom of a specific element can also vary.
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- It is not the valence electrons themselves, but the number of valence electrons that determines the chemical properties of an element. Elements whose atoms have the same number of valence electrons are grouped together in the Periodic Table.
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- The number of protons in the nucleus of an atom determines an element's atomic number. In other words, each element has a unique number that identifies how many protons are in one atom of that element. For example, all hydrogen atoms, and only hydrogen atoms, contain one proton and have an atomic number of 1.
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Elements and Atoms: The Building Blocks of Matter These particles do not vary in quality from one element to another; rather, what gives an element its distinctive identification is the quantity of its protons, called its atomic number. Protons and neutrons contribute nearly all of an atom’s mass; the number of protons and neutrons is an element’s mass number.
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Atomic number Atomic number. The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom. It is identical to the charge number of the nucleus. The atomic number uniquely identifies a chemical element. 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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Questions and Answers The number and arrangement of electrons in an atom define the chemical characteristics of elements. One way to think of electrons is that they are the part of the atom that shows. They are the outer coating. They are the glue that holds atoms together in chemical bonds. The basic electron number is determined by the number of protons. In a stable carbon-12 atom there are six electrons, since there are six protons.
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atomic number In electrically neutral atoms, this number is also equal to the number of electrons orbiting about the atom's nucleus. The atomic number of an element determines its position in the Periodic Table, and is usually denoted by the letter Z and written as a subscript before an element's symbol, as in 92U.
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The atomic number of an element determines its? Atomic Number The number of protons always equals the number of electrons in an atom, and that number is equal to the atomic number. For instance, carbon has an atomic number of six and therefore has six protons and six electrons. The Atomic Mass is the weight of an atom and is determined by the number of neutrons and protons that are present in the nucleus. Hope that helps!!!
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Chemical Principles/Atoms, Molecules, and Ions Atoms with the SAME number of protons/electrons but DIFFERENT numbers of neutrons are called isotopes. Now ALL chemical properties of an atom are determined by the number of electrons in it ONLY (which by definition is equal to the number of protons in the nucleus).
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CONTENTS atomic number – The number of protons in an atom. Sometimes called the proton number. number of electrons in an atom’s electron shells. element – A substance made up of only one type of atom.
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Glossary (Avogadro's Number) Atomic Number. The atomic number is equal to the number of protons in an atom's nucleus. The atomic number determines which element an atom is. For example, any atom that contains exactly 47 protons in its nucleus is an atom of silver.
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Chemical element A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z). 118 elements are identified, of which the first 94 occur naturally on Earth with the remaining 24 being synthetic elements.