97) "Isotopes" space atoms with the same variety of ________ yet different number of ________.

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A) electrons, protons

B) neutrons, protons

C) protons, electrons

D) protons, neutrons

98) i m sorry of the complying with statements is not correct as soon as balancing a nuclear equation?

I.The massive numbers should be conserved ~ above both political parties of the reaction arrow.

II.The ionic charges should be conserved on both sides of the reaction arrow.

III.The atom numbers need to be conserved ~ above both sides of the reaction arrow.

IV.The elements must it is in the very same on both political parties of the reaction arrow.

A) II only

B) II and III

C) I and also III

D) II and IV

99) an alpha fragment is

A)

*
H+.

B)

*
H+.

C)

*
H+.

D)

*
He2+.

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100) as soon as a substance decays by alpha radiation, the mass number of the nucleus ________ and also the atomic number ________.