1.)
what would be the effect on the nucleus of an atom if it emitted one alpha particle and on...
Chemistry, 17.12.2019 08:31, bluenblonderw
1.)
what would be the effect on the nucleus of an atom if it emitted one alpha particle and one gamma ray?
a decrease of two in atomic number and a decrease of four in mass number
an increase of one in atomic number and a decrease of two in mass number
an increase of one in atomic number and an increase of two in mass number
an increase of two in atomic number and an increase of four in mass number
2.)
when is nuclear decay by beta particle emission more common in atoms?
have an atomic number greater than 83
have a high proton to neutron ratio
have a high neutron to proton ratio
have a low proton to neutron ratio
3.)
if an atom of polonium-218 were to undergo positron emission, which nuclide would result?
bismuth-218
bismuth-217
astatine-218
astatine-217
4.)
a certain chemical reaction experiences a 7.50 × 10-7 kilogram loss in mass. if this mass were to be totally converted to energy, what would be the magnitude of that energy? (1 j = 1 )
1.20 × 1023 j
2.5 × 109 j
4.00 × 101 j
6.75 × 1010 j
Answers: 3
Chemistry, 22.06.2019 10:30, Clivensp5
Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils. the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
Answers: 1
Chemistry, 22.06.2019 21:30, thompsonhomes1
If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted
Answers: 3