7. A radioactive nuclide of atomic number Z emits an electron, and then the daug

Question

7.

A radioactive nuclide of atomic number Z emits an electron, and then the daughter nuclide emits a gamma ray. What is the atomic number of the resulting nuclide after both processes?

Z-2

Z-1

Z+1

Z-3

8.

In the nuclear reaction descrbed by the equation below, what is the missing nuclear product?

B + He H + ?

F

C

N

N

N

9.

What is component X in the fission reaction between two hydrogen atoms, as described below?

H + H H + X + ve

a proton

a beta-positive particle (positron)

a neutron

a beta-minus particle (electron)

10.

The absorbed dose of X-rays is 80 mrad over a mass of 5.0 kg. The X-ray energy is 60 keV. How many X-ray photons are aborbed?

5.00 x 104

4.16 x 1011

2.5 x 1016

4.00 x 103

7.

A radioactive nuclide of atomic number Z emits an electron, and then the daughter nuclide emits a gamma ray. What is the atomic number of the resulting nuclide after both processes?

Z-2

Z-1

Z+1

Z-3

8.

In the nuclear reaction descrbed by the equation below, what is the missing nuclear product?

B + He H + ?

F

C

N

N

N

Explanation / Answer

7) Z+1

because it loses one electron. so, positive charge increases by 1e.

8) C

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