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The atomic number is the count of how many protons an atom has in its nucleus (and therefor also the count of how many electrons the neutral atom possesses). The atomic number us unique for each element and positions the element in the Periodic Table.
The element with atomic number 39 is Yttrium (Y).
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What element has a relative atomic mass of 15.5?
Relative atomic mass, also called atomic weight, is listed on the periodic table for each element. There is no element listed on the periodic table with a relative atomic mass of 15.5.
What is the weighed-average mass of all the known isotopes for an element called?
The weighted-average mass of all the known isotopes for an element is called the atomic weight or atomic mass. It is calculated by taking into account the abundance of each isotope and its mass to determine the average mass of all isotopes present in nature for that element.
What is the atomic wheight of cobalt?
Cobalt is a meta element. Atomic mass of it is 59.
Which element has with mass number 27?
The element with mass number 27 is cobalt, which has 27 as its atomic mass.
What is the atomic number for an abundant element with mass number of 12?
The element with a mass number of 12 is carbon. Carbon has an atomic number of 6.
The average atomic mass of the element cesium is approximently 133 amu what is the mass of 3.00 mol of casium?
399
What is the atomic mass for magnesiam?
Magnesium is a meta element. Atomic mass of it is 24.
Which element has the atomic mass of 126.9045?
The element is Iodine (I). It has an atomic mass of about 126.9.
What element has the highest atomic mass?
The element with the highest atomic mass is Oganesson.
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.
The average atomic mass of the element cesium is approximately 133 you What is the mass of 3.00 mol of cesium?
The molar mass of cesium (Cs) is approximately 133 g/mol. Therefore, the mass of 3.00 mol of cesium would be 3.00 mol x 133 g/mol = 399 g.
Which element has an atomic mass of 16.00?
the element that has an atomic mass of 16.00 is sulfer.
What element has an atomic mass of 131?
The element with atomic mass 131 is Iodine (I)
What is the atomic mass of the element gold?
gold is a meta element. Atomic mass of it is 197.
What is the atomic mass of this element Au?
Gold is a meta element. Atomic mass of it is 197.
What is the atomic mass of the element iron?
Iron is a meta element. Atomic mass of it is 56.
What is the atomic mass of the element flourin?
Fluorine is a meta element. Atomic mass of it is 19.
