subject
Chemistry, 14.10.2019 20:40 copperrock15

An isotope of xenon has an atomic number of 54 and contains 77 neutrons. what is the xenon isotope's mass number? 23 54 77 131

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 01:00
The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 3
question
Chemistry, 22.06.2019 15:00
‘which reaction would most likely require the use of an inert electrode?
Answers: 1
question
Chemistry, 22.06.2019 15:00
How is the shape of the poem “peer” connected to its meaning?
Answers: 2
question
Chemistry, 22.06.2019 18:30
The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.
Answers: 3
You know the right answer?
An isotope of xenon has an atomic number of 54 and contains 77 neutrons. what is the xenon isotope's...
Questions
question
Physics, 11.08.2021 22:20
Questions on the website: 13722361