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If a single atom of an unidentified element has a mass of 3.818x10-23 g What is the element?
The mass number can be found by multiplying the mass of a single atom by Avogadro's number, that is 6.022 X 1023. In this instance, the product is 23.0, and the element is probably sodium, which has this gram atomic mass. mass number is less than 1, which does not correspond to any real, stable atom. The element could conceivably be a rare isotope of neon or magnesium.
Is neon a synthetic element?
Neon is an element not a compound coz a compound is two elements or more chemically joinning together an element is simple substance that cant be broken down and neon is an element on the periodic table.... An element, it is in the noble gases column, meaning that it is a very unreactive, monatomic gas. It has a full outer shell and has little desire to react . Its chemical symbol is NE. It's atomic number is 10, and mass no. 20. It's relative atomic mass is 20.18. It's electron configuration is 2.8
What is the mass number of the element Na?
Sodium is a metal element. Mass number of it is 23.
Which element has a greater atomic mass A or B?
Element A has a greater atomic mass than element B if the atomic mass value of A is higher. The atomic mass represents the average mass of an element’s isotopes based on their abundance in nature.
What does the atoimc mass of an element represent?
The atomic mass of an element represents the average mass of an atom of that element, taking into account the abundance of different isotopes of the element. It is measured in atomic mass units (amu) and is listed on the periodic table below the element's symbol.
When two elements chemically react the mass of the product is?
When two elements chemically react, the mass of the product is equal to the sum of the two masses of the two elements.
The tendency of an element to react chemically is closely related to what?
its Atomic Mass.
Why are different masses of each element required to react with the same amount of hydrogen?
Each element has a different molar mass and Molarity, using stoichiometry the conversion of molar mass can explain why.
Which of Jhon Daltons statements about the atom was proven false because of the discovery of isotopes?
Dalton said that all atoms of one element are identical. they are chemically identical but not identical in mass. he did not know of isotopes, which are chemically identical atoms with different numbers of neutral neutrons. ex: all carbon atoms act the same chemically but some mass at 12, others at 14.
Does The element with the largest subscript in a formula have the largest percent by mass in the compound?
Sometimes, but not necessarily: The largest percent by mass in a compound is that of the element for which the product of the subscript and the atomic weight is highest. For example, there is more carbon than hydrogen by mass in CH4.
What determines an element's mass?
the mass of protons + the mass of neutrons = mass of the element
If a single atom of an unidentified element has a mass of 3.818x10-23 g What is the element?
The mass number can be found by multiplying the mass of a single atom by Avogadro's number, that is 6.022 X 1023. In this instance, the product is 23.0, and the element is probably sodium, which has this gram atomic mass. mass number is less than 1, which does not correspond to any real, stable atom. The element could conceivably be a rare isotope of neon or magnesium.
Is neon a synthetic element?
Neon is an element not a compound coz a compound is two elements or more chemically joinning together an element is simple substance that cant be broken down and neon is an element on the periodic table.... An element, it is in the noble gases column, meaning that it is a very unreactive, monatomic gas. It has a full outer shell and has little desire to react . Its chemical symbol is NE. It's atomic number is 10, and mass no. 20. It's relative atomic mass is 20.18. It's electron configuration is 2.8
What do you call the mass of an element?
The mass of an element is known as it's ATOMIC Mass.
What is the mass percent composition of an element in a molecule?
Percentage composition= (mass of the element/mass of the molecule)*100 The fraction of the molecule's mass that comes from the element's mass
The molar mass of an element is equal to?
The element's average atomic mass.
How to find the mass of an element in a chemical compound?
To find the mass of an element in a chemical compound, you can use the atomic mass of the element from the periodic table and the number of atoms of that element in the compound. Multiply the atomic mass by the number of atoms, and you will get the mass of that element in the compound.
