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Which element has the smallest atomic mass What is its atomic number?
The element with the smallest atomic mass is hydrogen, which has an atomic mass of approximately 1.008 atomic mass units. Its atomic number is 1, indicating that it has one proton in its nucleus. Hydrogen is the simplest and most abundant element in the universe.
What does atomic mass number elements symbol elements name and atomic mass tell you about the element?
The element symbol represents one mole of element , atomic number represents number of protons, atomic mass represents sum of protons and neutrons.
How do you figure neutrons on periodic chart?
by subtracting the atomic number from the mass number. the atomic number is the one under the element's symbol and the mass number is the one above the element's symbol.
What element has a atomic mass number of one cent?
The element with an atomic mass number of one is hydrogen. Hydrogen is the lightest and simplest element in the periodic table, with a single proton in its nucleus.
Average mass of one atom of an element?
The average mass of one atom of an element is given by its atomic mass, which is listed on the periodic table in atomic mass units (amu). It represents the average mass of all isotopes of that element, taking into account their relative abundance.
What element has a gram atomic mass that is greater than the gram atomic mass of the element with an atomic number higher by one unit?
Both argon and cobalt have this characteristic.
What is the atomic mass of one atom of tungsten?
Tungsten is a non meta element. Atomic mass of it is 74. Atomic number of it is 183.
Can atoms of two different elements have the same atomic number and could they have the same mass number?
The atomic number, or Proton number, defines which element it is. So by definition, two different elements must have a different atomic number, or else they'd be the same element. Atomic mass is the number of protons + neutrons in the element's nucleus. Since the number of neutrons in the nucleus can vary, even within a single element (as isotopes) it is possible to have one isotope of one element sharing an atomic mass with an isotope of another element.
How do you find the moles of a given element?
One takes the atomic mass of that element (the number under the element on a periodic table, measured in amu). That number is the number of grams of the element it takes to make one mole. in other words:X grams (of element)(Atomic Mass of element)= --------------1 mol (of element)
How can you find how many neutrons in an element on periodic table?
One should look up the mass number of an isotope of that particular element and then substract the atomic number from it: this leaves the number of neutrons.Note that atomic mass is not the same as mass number!
What is the new element formed after the alpha decay occurred?
AlphaThe atomic number goes down by two and the atomic mass number goes down by four.Beta-The atomic number goes up by one and the atomic mass number stays the same.Beta+The atomic number goes down by one and the atomic mass number stays the same.
What number on the periodic table represents the mass in grams of one Mole of atoms in an element?
The number on the periodic table representing the mass in grams of one mole of atoms in an element is called the molar mass, which is expressed in grams per mole. It is numerically equal to the atomic mass in atomic mass units (amu) of the element.
