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3 months ago

Calculate the mass, in grams, of a single tellurium atom (mte = 127.60 amu ).

Chemistry

2 answers:

castortr0y [3K]3 months ago

8 0

1 atomic mass unit (amu) represents the mass of an atom or is used to measure mass on an atomic scale. It is also referred to as a dalton, abbreviated as Da, while atomic mass unit is indicated as amu.

1 amu can be translated into grams as follows:

$1 amu = 1.6 * 10^-2^4 g$

$Mass of Te = 127.6 amu$

For conversion into grams:

$M = (127.6 ) * 1.6 * 10^-2^4 g$

$M = 204.16 * 10^-2^4 g$

Therefore, the mass of Te is 204.16 * 10^-2^4 g

eduard [2.7K]3 months ago

4 0

The mass of a single tellurium atom, in grams, equals 2.118 x 10⁻²² grams

Further explanation

Within the atom is a nucleus made up of three fundamental particles: protons, neutrons, and electrons that orbit around the nucleus.

Protons carry a positive charge (+1), electrons have a negative charge (-1), and neutrons are neutral (uncharged).

The mass of a proton is equal to that of a neutron, which is approximately equal to 1 amu, whereas an electron has a smaller mass.

Atomic mass reflects the average atomic mass of all isotopes.

The mass of an atom is determined relative to 1 carbon-12 atom, which has a mass of 12 amu.

The atomic mass unit (amu) represents 1/12 of the mass of a carbon-12 atom.

The 'amu' has now been replaced by the unit 'u'.

The hydrogen atom is recognized as the lightest atom, with a mass of 1.67 x 10⁻²⁷ kg as measured by a mass spectrometer, commonly simplified to 1 amu.

1 amu = 1.66 x 10⁻²⁴ grams

For instance, carbon-12 has an atomic mass of 12 amu and carbon-13 has an atomic mass of 13 amu.

Single atoms of tellurium have a mass of 127.60 amu.

Thus, the mass in grams can be calculated as:

mass = 127.60 amu x 1.66 x 10⁻²⁴

mass = 2.118 x 10⁻²² grams

Learn more

atomic weight of 120.9038 amu

The least massive subatomic particle

element 2512X

statements about subatomic particles

Keywords: atomic mass, amu

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