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What is the number of electrons of an atom that has 20 protons and 17 neutrons?
What is the number of electrons in an atom that has 20 protons and 17 neutrons? 1. 37 (2.
What isotope has 17 protons and 20 neutrons?
Chlorine-37, the nucleus of which consists of 17 protons and 20 neutrons, is a different nuclide from sodium-23 (nucleus of 11 protons and 12 neutrons) or chlorine-35 (nucleus of 17 protons and 18 neutrons).
What element has 18 protons 20 neutrons and 18 electrons?
Images related to the topicWhat element has 18 protons 20 neutrons and 18 electrons?
Which of the following isotopes have 17 protons 17 electrons and 20 neutrons?
…
Chlorine-37.
| General | |
|---|---|
| Names | chlorine-37, Cl-37 |
| Protons (Z) | 17 |
| Neutrons (N) | 20 |
| Nuclide data |
What is the number of electrons in an atom that has 20 protons and 20 neutrons?
An average atom of calcium contains 20 electrons, 20 protons, and 20 neutrons.
What is the number of electrons in an atom that has 20?
calcium is element 20, has 20 electrons, and has the same electron configuration as argon but with an additional filled 4s2 orbital so sometimes people say the configuration is [Ar] 4s2.
How do you find the electrons?
Calculating numbers of subatomic particles
To calculate the numbers of subatomic particles in an atom, use its atomic number and mass number: number of protons = atomic number. number of electrons = atomic number. number of neutrons = mass number – atomic number.
What is the mass number of an isotope that has 17 electrons and 20 neutrons?
An element with 17 protons will always be chlorine. However an element’s mass numbers can vary, which means that it can have different numbers of neutrons. So although chlorine has a mass number of 35 which means it has 18 neutrons, it can also have a mass number of 37, which means it has 20 neutrons.
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Chemistry- atoms, ions, and isotopes test Flashcards | Quizlet
What is the number of electrons in an atom that has 20 protons and 17 neutrons? 20.
1.2: Isotopes – Chemistry LibreTexts
How many protons, neutrons, and electrons are there in an atom of the most stable … The chlorine isotope has 17 protons and 20 neutrons: …
2.1 Electrons, Protons, Neutrons, and Atoms – Physical Geology
The element hydrogen has the simplest atoms, each with just one proton and one electron. … and the number of protons plus neutrons is the atomic mass.
Assignment012
Ca2+ represents an ion with 20 protons and 18 electrons. … A calcium atom has 20 protons and 20 electrons. The 2+ charge next to the symbol indicates a loss of …
What is the correct name for an atom with 17 protons 21 neutrons and 17 electrons?
The number of protons an atom has, also known as the atom’s atomic number, determines which element it is. All atoms which contain 17 protons are called chlorine atoms.
Which of the following contains 17 protons 20 neutrons and 18 electrons?
Solution : ( c) `Cl^-` has `17` protons, `18` neutrons and `18` electrons. Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.
What is the charge on a particle that has 17 protons 18 neutrons and 17 electrons?
In the question, the number of protons is 17 and the number of electrons is 18. Since, there is an extra electron in the atom, it carries a charge of $ – 1$ . So, the correct answer is C.
What is the atomic number of an atom with 17 protons and 18 neutrons?
For example, every chlorine atom has 17 electrons and 17 protons; its atomic number is 17. However, three out of four chlorine atoms weigh 35 amu (17 protons and 18 neutrons) and the fourth weighs 37 amu (17 protons and 20 neutrons). These are the isotopes of chlorine.
What element has 17 protons in the nucleus?
While a chlorine atom always has 17 protons, it can have any number of neutrons. Two atoms with the same number of protons and different number of neutrons are called isotopes. Two naturally occurring stable isotopes exist for chloride. One has 18 neutrons and the other has 20 neutrons.
How To Calculate The Number of Protons, Neutrons, and Electrons – Chemistry
Images related to the topicHow To Calculate The Number of Protons, Neutrons, and Electrons – Chemistry
What is the mass number of an ion that consists of 20 protons 20 neutrons and 18 electrons?
| A | B |
|---|---|
| the mass number of an ion that consists of 20 protons, 20 neutrons, and 18 electrons | 40 |
| mass number of an atom is equal to | protons plus neutrons |
| has a mass 1/1837 of the mass of a proton | electron |
| a Na atom has more of these than a Na+ ion | electrons |
What is the symbol for an atom containing 20 protons and 22 neutrons?
6- The symbol for an atom containing 20 protons and 22 neutrons is 20Ca because the lower number is the atomic number representing the number of protons and the top number, the mass number, is the sum of protons and neutrons.
What is the relative atomic mass of the element that has 20 protons?
The calcium-40 isotope has a mass number of 40 , and an atomic number of 20 , therefore it has 20 protons.
How many electrons does an element have if its atomic number is 20 *?
Answer. A neutral atom of calcium, atomic number 20, contains 20 protons and 20 electrons.
How many protons are in the nucleus of an atom with an atomic number 20?
The number of protons and electrons are the same in atom and that is what keeps it neutral. In the second case, the atomic number is 20. Hence, the atom will contain a total of 20 protons in its nucleus.
What is the charge of an ion that has 20 protons and 18 electrons?
Ca2+ represents an ion with 20 protons and 18 electrons. A calcium atom has 20 protons and 20 electrons. The 2+ charge next to the symbol indicates a loss of two electrons: 20-2=18.
How do you calculate number of atoms?
To calculate the number of atoms in a sample, divide its weight in grams by the amu atomic mass from the periodic table, then multiply the result by Avogadro’s number: 6.02 x 10^23.
Are protons and electrons equal?
An atom contains equal numbers of protons and electrons . Since protons and electrons have equal and opposite charges , this means that atoms are neutral overall.
How do you find the number of electrons in a charge?
The charge on the ion tells you the number of electrons. If the charge is positive, subtract that number from the atomic number to get the number of electrons. You have more protons. If the charge is negative, add the amount of charge to the atomic number to get the number of electrons.
What is the mass number of an atom that contains 19 protons 19 electrons and 20 neutrons?
Hence, number of neutrons is 39 – 19 which is 20. Potassium-40 – It has 19 protons and atomic mass is 40.
How to find the Protons Neutrons and Electrons of an element on the Periodic table
Images related to the topicHow to find the Protons Neutrons and Electrons of an element on the Periodic table
What element has a proton of 20?
For example, calcium (Ca) has an atomic number of 20. This means that all calcium atoms contain 20 protons. A neutral atom of calcium will also have 20 electrons.
What element that has a mass number of 17?
| Atomic Mass | Name chemical element | number |
|---|---|---|
| 30.9738 | Phosphorus | 15 |
| 32.065 | Sulfur | 16 |
| 35.453 | Chlorine | 17 |
| 39.0983 | Potassium | 19 |
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