Menu Close

What is the atomic mass of a xenon Xe atom with 77 neutrons?

What is the atomic mass of a xenon Xe atom with 77 neutrons?

131
Xenon has the chemical formula Xe. The most stable isotope of Xenon has 77 neutrons in its nucleus giving it an atomic mass of 131.

What is the mass number of an atom of xenon containing 54 protons and 78 neutrons?

Name Xenon
Atomic Number 54
Atomic Mass 131.29 atomic mass units
Number of Protons 54
Number of Neutrons 77

What is the atomic mass for xenon?

54
Xenon/Atomic number

What is the mass number of this isotope of xenon containing 79 neutrons?

Mass number of the isotope =131 amu.

Which atom has the largest number of neutrons?

The atom with the largest number of neutrons is a tie between livermorium and tennessine. Each of these atoms contain 177 neutrons.

What element has 77 neutrons?

Iridium
Iridium – Element information, properties and uses | Periodic Table.

Is Xenon A element?

xenon (Xe), chemical element, a heavy and extremely rare gas of Group 18 (noble gases) of the periodic table. It was the first noble gas found to form true chemical compounds. More than 4.5 times heavier than air, xenon is colourless, odourless, and tasteless.

Which atom has the smallest number of neutrons?

hydrogen-1
Only two stable nuclides have fewer neutrons than protons: hydrogen-1 and helium-3. Hydrogen-1 has the smallest neutron number, 0….Neutron number.

Element C
With neutron number 14 6C 8

What is the lightest and smallest subatomic particle?

Electron, lightest stable subatomic particle known. It carries a negative charge of 1.602176634 × 10−19 coulomb, which is considered the basic unit of electric charge. The rest mass of the electron is 9.1093837015 × 10−31 kg, which is only 1/1,836the mass of a proton.

What is the mass and weight of xenon?

Xenon – Atomic Mass – Atomic Weight – Xe Element Xenon Atomic Number 54 Symbol Xe Element Category Noble Gas Phase at STP Gas

How many isotopes of xenon have the same atomic number?

Isotopes are nuclides that have the same atomic number and are therefore the same element, but differ in the number of neutrons. Mass numbers of typical isotopes of Xenon are 128-135. Atomic mass of Xenon is 131.293 u.

What is the atomic number 54 of xenon?

Xenon is a chemical element with symbol Xe and atomic number 54. Classified as a noble gas, Xenon is a gas at room temperature. FHNFHKCVQCLJFQ-UHFFFAOYSA-N 131.293 131.3 B. Cordero, V. Gómez, A.E. Platero-Prats, M. Revés, J. Echeverría, E. Cremades, F. Barragán, S. Alvarez, Dalton Trans. 2008, 21, 2832-2838.

How many protons and electrons are in Xe?

Symbol: Xe Atomic Number: 54 Atomic Mass: 131.29 amu Melting Point:-111.9 °C (161.25 K, -169.42 °F) Boiling Point:-108.1 °C (165.05 K, -162.58 °F) Number of Protons/Electrons: 54 Number of Neutrons: 77 Classification: Noble Gas Crystal Structure: Cubic Density @ 293 K: 5.8971 g/cm 3 Color: Colorless Gas Atomic Structure