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The Atomic Mass number does not equal the number of electrons in the element. The atomic number, on the other hand, does usually equal the number of electrons in the element, With the exception of ions.
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What happens to the total charge on a wire when a current flows through a wire?
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Does aluminum cools faster than mild steel?
Yes, If if both samples are by equal volume of space not by mass, and heated at the same rate in the same time frame the answer is Yes.
How does electricity pass through lead?
The same as it does in any metal. Metals have a number of electrons that can move about freely; these carry the current.
How did the double helix structure match Chargaff's observations?
Chargaff observed that the number of Guanine units in a section/piece of DNA was the same as the number of Cysteine units and that the number of Thymine units equaled the number of Adenine units. This matched the double helix structure because Cysteine pairs with Guanine, and Thymine pairs with Adenine - meaning that Chargaff was right in that there must be an equal number of Cysteines and Guanines as well as equal Thymines and Adenines.
Why is the current in a series circuit the same all way round?
The number of electrons coming out of the positive end of the loop must be the same as the number of electrons going into the negative end. If it isn't, then electrons had to be created, or destroyed, or were injected, or leaked out, somewhere along the series loop.
What is the atomic mass the same as?
The Atomic Mass is equal to the number of protons and electrons that an element has.
How can the number of proton neutron and electron be calculated to get atomic number and atomic mass?
atomic number is the amount of protons, equal to the atomic number, the electrons, minus the mass number atomic number is the amount of protons, equal to the atomic number, the electrons, minus the mass number atomic number is the amount of protons, equal to the atomic number, the electrons, minus the mass number
Is the mass number equal to the number of protons and electrons?
No, it isn't. The mass of an electron is significantly smaller than that of a proton.The mass of 1,800 electrons is about the same as the mass of one single proton.The antiparticle of the electron, the positron, has the same mass as the electron.the mass of the electron is not the same to the mass of the proton
How can the number of protons electrons and neutrons be calculated when giving the mass number?
The atomic number must be known along with the mass number. Then the number of protons or electrons is the same as the atomic number, and the number of neutrons is the difference between the mass number and the atomic number.
Can the mass number be used to determine the number of electrons in an atom?
No, the mass number (number of protons and neutrons) cannot be used to determine the number of electrons in an atom. The number of electrons in an atom is determined by the number of protons in the nucleus, which is the atomic number. Electrons are equal in number to protons in a neutral atom.
Why is the mass number of the ion the same as the number of isotope?
The mass number of an ion is equal to the sum of the number of protons and neutrons in its nucleus. Isotopes of an element have the same number of protons but differ in the number of neutrons. Therefore, the mass number of an ion can be the same as the number of isotopes because isotopes contribute to varying mass numbers in the element.
Do protons and electrons have the same number?
Yes, the atomic number is equal to the number of protons. The number of protons is also equal to the number of electrons
An atom does not have to have equal numbers of?
An atom does not have to have equal numbers of protons and electrons, but it needs to have the same number of protons and electrons to be electrically neutral. Having an unequal number of neutrons in an atom will result in isotopes of the same element with different atomic masses.
If fluorine has an atomic number of 9 and an atomic mass of 19 how many electrons does fluorine contain?
The number of electrons is always the same as the atomic number. That gives you the number of protons and electrons. The atomic mass has nothing to do with it. What is the atomic number? That is your answer.
The atomic mass of an atom is 46 and it has 22 neutrons. How many electrons does it have?
46. That answer is incorrect. If the atom has 22 neutrons, then it must have 24 protons to make up the total mass of 46. A neutral atom always has the same number of electrons as protons so the correct answer is 24.
Which two particles in an atom are equal in a number?
Under normal conditions, i.e. non-ionic, the number of protons is equal to the number of electrons.
What has a equal number of protons and electrons?
An atom of an element.Not to be confused with an ion which can have more or less electrons than it has protons.an Atom.It means that it is a element because the atomic number in an element is the same as the number of electrons, and minused from the mass equals the number of neutrons. For example Oxygen has an atomic mass of 16 and an atomic number of 8 which means there are 8 protons 8 electrons (because they are the same) and 8 neutrons (they are just solid mass [16-8=8]).
