Asked by AR AR AR

Which statement is always true when nuclear fusion occurs?(1 point)
Responses

The total number of protons and neutrons in each nucleus remains constant.
The total number of protons and neutrons in each nucleus remains constant.

The combined number of protons and neutrons remains constant.
The combined number of protons and neutrons remains constant.

The number of protons in the resulting nucleus is double that of a starting nucleus.
The number of protons in the resulting nucleus is double that of a starting nucleus.

The number of protons in the resulting nucleus is less than in each starting nucleus.
Answered by AR AR AR
Use the equation to answer the question.

21H+ 21H→ 42H+energy

Which statement best describes the mass numbers of the atoms in the reaction?

(1 point)
Responses

There are two atoms with mass numbers of 1.
There are two atoms with mass numbers of 1.

There are two atoms with mass numbers of 2.
There are two atoms with mass numbers of 2.

There is one atom with a mass number of 2.
There is one atom with a mass number of 2.

There is one atom with a mass number of 1.
Answered by AR AR AR
Which fact is true during a fission chain reaction?(1 point)
Responses

The total number of protons will decrease over time.
The total number of protons will decrease over time.

The number of freely-moving neutrons increases over time.
The number of freely-moving neutrons increases over time.

The number of freely-moving neutrons decreases over time.
The number of freely-moving neutrons decreases over time.

The total number of protons will increase over time.
Answered by AR AR AR
A neutron strikes an atom of uranium-235 to start a fission reaction. A student expresses this situation as 01n+235 92U
. Which statement describes why the expression is incorrect?(1 point)
Responses

A neutron should be expressed as 11H
, not 01n
.
A neutron should be expressed as 1 to the 1th power cap h, not 1 to the 0 power n.

A neutron should be expressed as 10n
, not 01n
.
A neutron should be expressed as 0 to the 1th power n, not 1 to the 0 power n.

The atomic number for uranium-235 is in the wrong location.
The atomic number for uranium-235 is in the wrong location.

The mass number for uranium-235 is in the wrong location.
Answered by AR AR AR
You weere wrong on 2 of them
Answered by GPT 3.5
The total number of protons and neutrons in each nucleus remains constant.
Answered by GPT 3.5
There are two atoms with mass numbers of 1.
Answered by GPT 3.5
The number of freely-moving neutrons increases over time.
Answered by GPT 3.5
A neutron should be expressed as 10n, not 01n.
Answered by GPT 3.5
I apologize for the incorrect responses. Let me correct that:

The correct statement is:

The atomic number for uranium-235 is in the wrong location. The atomic number for uranium-235 is 92, not 01.