how many electrons are needed to equal the mass of one proton?
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Answer and Explanation: It would take approximately 1840 electrons to equal the mass of a proton.
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Protons are found in the nucleus of every atom but can also be found away from the nucleus, most commonly as ionized hydrogen. A proton has a charge of +1, or 1e, which is equal to 1.602 x 10^-19 coulombs, and a mass of 1.67 x 10^-27 kg.
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1.8x10^6 moles of electrons weigh 1 kg. A mole is just specified number and is equal to 6,022140857×10^23 so you just need electron mass to calculate answear to your question.
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1 Answer. 19 protons, 20 neutrons and 18 electrons.
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Answer and Explanation: The two subatomic particles that have the same mass are protons and neutrons. Neutrons and protons each have an atomic mass of about one atomic mass...
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Since this atom is neutral the positive protons must be equal to the negative electrons. This atom will have 11 electrons.
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The amount of charge on a single proton is equal to the amount of charge possessed by a single electron. A proton and an electron have an equal amount but an opposite type of charge. Thus, if an atom contains equal numbers of protons and electrons, the atom is described as being electrically neutral.
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Total number of protons and electrons in one mole of hydrogen gas are 2 protons and 2 electrons. Explanation: As we know that sum of only total number of protons are also known as atomic number of an atom. And, the sum of total number of protons and neutrons is known as atomic mass of an atom.
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The number of protons, neutrons, and electrons in an atom can be determined from a set of simple rules. The number of protons in the nucleus of the atom is equal to the atomic number (Z). ... The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).
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Fundamental Subatomic Particles The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.
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This tells you that potassium has 19 protons and - since the number of protons is the same as the number of electrons- also 19 electrons. To find out the number of neutrons you have to look at the atomic mass or weight of the element.
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Answer and Explanation: The approximate atomic mass of an atom with 16 neutrons, 15 protons, and 15 electrons would be 31.
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Answer and Explanation: The mass number of an atom with five protons and seven neutrons is 12.
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Because an atom is neutral, the number of electrons is equal to the number of protons.
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The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons.
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The answer is 1.75 x 10^51. The answer is 1.75 x 10^51. The simplest way to determine this is to calculate the number of protons in the earth. The number of electrons will be equivalent to the number of protons.
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Answer and Explanation: There are nine protons in an ion with 10 electrons and a -1 charge.