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What is the mass number of neon-20?
The mass number of a conventionally named isotope is the number after the hyphen; in this instance, 20.
What is the mass number of Fluorine-20?
Fluorine is a non metal element. Atomic mass of it is 19.
What elements has a mass number of 39.1?
An element with a mass number of 39.1 could be potassium-39 (K-39). This isotope of potassium has 19 protons and 20 neutrons, giving it a mass number of 39. The average atomic mass of potassium is 39.1 due to the presence of other isotopes as well.
What is the atomic number and the mass number of an element with 20 atomic number and 23 mass number?
The element with atomic number 20 is calcium. The mass number 23 indicates the total number of protons and neutrons in the nucleus of the atom. Since the mass number is 23 and the atomic number is 20, the number of neutrons in this calcium atom would be 3 (23 - 20).
What is the mass number or neon?
The mass number of neon is 20. This indicates that neon has a total of 20 protons and neutrons in its nucleus.
What are the first 20 elements of the periodic table along with their mass number?
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What is the mass number of neon-20?
The mass number of a conventionally named isotope is the number after the hyphen; in this instance, 20.
What is the mass number of Fluorine-20?
Fluorine is a non metal element. Atomic mass of it is 19.
What elements has a mass number of 39.1?
An element with a mass number of 39.1 could be potassium-39 (K-39). This isotope of potassium has 19 protons and 20 neutrons, giving it a mass number of 39. The average atomic mass of potassium is 39.1 due to the presence of other isotopes as well.
What is the atomic number and the mass number of an element with 20 atomic number and 23 mass number?
The element with atomic number 20 is calcium. The mass number 23 indicates the total number of protons and neutrons in the nucleus of the atom. Since the mass number is 23 and the atomic number is 20, the number of neutrons in this calcium atom would be 3 (23 - 20).
State which two elements from the first 20 elements of the modern periodic table are not arranged in order of increasing atomic mass?
Cobalt and Nickel are the two elements from the first 20 elements of the periodic table that are not arranged in order of increasing atomic mass. This is due to the placement of cobalt with a slightly lower atomic mass compared to nickel, which occurs due to the meticulous arrangement of elements based on their chemical properties and not just atomic masses.
What is the mass number or neon?
The mass number of neon is 20. This indicates that neon has a total of 20 protons and neutrons in its nucleus.
Calcium has an atomic mass of an atomic number of 20 so the number of neutrons must be?
The number of neutrons in an atom can be calculated by subtracting the atomic number (number of protons) from the atomic mass. For calcium with an atomic number of 20, if the atomic mass is 40, then the number of neutrons would be 40 - 20 = 20 neutrons.
What element has a mass number of 21 and an atomic number of 10?
Sc, scandium (21), the first metal element in the 3d-block (transition elements); next to calcium (20).
How many protons electrons and neutrons does an atom with atomic number 20 and a mass number 45 contain?
Atomic number 20 therefore 20 protons and 20 electrons. Mass number 45 therefore 45-20 = 25 neutrons.
If you round the average atomic mass to the nearest whole number so whats neons atomic weight?
Go to this website www.periodictable/Elements/010/index.html
The mass number of an atom of calcium with 20 protons and 20 neutrons is?
The mass number of an atom is the sum of the protons and neutrons in its nucleus. Therefore, for an atom of calcium with 20 protons and 20 neutrons, the mass number would be 40.
