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Atomic Mass

Atomic mass is the mass of protons, neutrons, and electrons in a single specific atom.

1,752 Questions

Its atomic mass is 32.064?

The element with an atomic mass of 32.064 is sulfur. Sulfur is a non-metal that is commonly found in minerals, ores, and organic compounds. It is used in various industries, including agriculture, pharmaceuticals, and chemical manufacturing.

What was the atomic mass unit system devised to make?

The atomic mass unit system was devised to accurately describe the mass of atoms and subatomic particles on a consistent scale. It provides a unified standard for expressing relative atomic masses of elements based on the carbon-12 isotope.

Do you round atomic mass 30.97?

Yes, the atomic mass on the periodic table is usually rounded to the nearest whole number, so an atomic mass of 30.97 would be rounded to 31.

What is the average atomic mass of gold?

The atomic weight of Gold 79 is 196.966569

What is the atomic mass of Fe?

The atomic mass of iron (Fe) is approximately 55.85 grams per mole.

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.

Atomic mass unit is determined by Oxygen-16?

One atomic mass unit (amu) is defined as one-twelfth of the mass of a carbon-12 atom. While oxygen-16 has a mass of 16 atomic mass units, it is not the basis for defining the amu, which is anchored to carbon-12.

Gas atomic mass 16 8 nuetrons?

The number of protons and neutrons in an atom is equal to its atomic mass. Since the atomic mass of this gas atom is 16 and it has 8 neutrons, the remaining mass (16-8=8) must be the protons in the nucleus. Therefore, this gas atom has 8 protons.

What is the atomic mass unite of neon?

Neon is a non meta element. Atomic mass of it is 20.

The atomic mass of an atom is based on a comparison with the mass of sulfur-32?

No, the atomic mass of an atom is based on the average mass of an element's isotopes weighted by their relative abundances. The atomic mass unit (amu) is equal to one-twelfth of the mass of a carbon-12 atom, not sulfur-32.

What subatomic particles contribute to the atomic mass of an atom?

Protons and neutrons contribute to the atomic mass of an atom. Electrons, despite having mass, contribute negligibly to the overall atomic mass due to their much smaller mass compared to protons and neutrons.

What particles make up the atomic mass number of an element?

The atomic mass number of an element is determined by mass of the nucleus of an atom. Therefore the particles that make up the nucleus determine the mass number. These particles are protons and neutrons.

The mass of the protons and neutrons do not vary between elements, but the number of each in the nucleus varies between elements and between isotopes of the same element.

Why are only protons and neutrons used to calculate atomic mass?

Protons and neutrons are used to calculate atomic mass because they are the fundamental components located in the nucleus of an atom. Electrons are much lighter and are not included in the atomic mass calculation because their mass is negligible compared to protons and neutrons.

Boron has an atomic mass of 11 and an atomic number of 5 how many neutrons must there be?

The mass of an atom is found by adding the number of the protons and neutrons. So, a boron atom with 5 protons and 6 neutrons would have an atomic mass of 11.

Atomic mass in the periodic table?

Atomic mass, also known as atomic weight, is the average mass of an atom of an element based on the relative abundance of its isotopes. It is listed in the periodic table below the element's symbol. Atomic mass is measured in atomic mass units (amu) and provides information about the element's mass compared to a standard carbon-12 atom.

What is the atomic mass composed of?

Atomic mass is composed of the mass of protons, neutrons, and electrons within an atom. Protons and neutrons reside in the nucleus of the atom, while electrons orbit around the nucleus. The sum of the masses of protons and neutrons is the primary contributor to the atomic mass.

Formula of atomic mass?

The atomic mass of an element is the weighted average of the masses of its isotopes, taking into account their natural abundance. It is calculated by multiplying the mass of each isotope by its abundance percentage, then summing these values to obtain the atomic mass. Mathematically, atomic mass = (isotope mass1 * %abundance1) + (isotope mass2 * %abundance2) + ...

What is the mass number of the most common silicon atom?

The most common silicon atom has a mass number of 28. This means it has 14 protons and 14 neutrons in its nucleus, giving it an atomic mass close to 28 atomic mass units.

What is the atomic mass of fermium?

The most stable fermium isotope, 257Fe, has an atomic mass of 257, 095 105.

What is sulfers atomic mass?

Sulfur has an atomic mass of approximately 32.06 atomic mass units.

The largest atomic mass?

The element with the largest atomic mass is oganesson, which has an atomic number of 118 and a standard atomic weight of approximately 294. This synthetic element is highly unstable and has a very short half-life, making it difficult to study.

If sulfur has 16 protonselectronsand neutrons its atomic mass number is?

If sulfur has 16 protons and electrons, its atomic number is 16 (since it is equal to the number of protons). The atomic mass number is the sum of protons and neutrons, so if there are 16 neutrons, the atomic mass number would be 32 (16 protons + 16 neutrons = 32 atomic mass number).