1.)
what would be the effect on the nucleus of an atom if it emitted one alpha particle and on...
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: 1
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What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?
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What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
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Which one of the following substances would be the most soluble in ccl4? na2so4 h2o ch3ch2ch2ch2oh c4h10 hi
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