In an atom, you have three particles: protons, electrons, and neutrons.
When you add or subtract electrons from an atom, it means that there are either more protons than electrons (positively charged) or there are more electrons than protons (negatively charged).
You cannot add or subtract protons since they are the atomic number, which means the number of protons determines the element. Neutrons have a neutral charge, so they wouldn't affect the charge at all.
The correct answer is The storage and management of radioactive wastes
Explanation:
In general, nuclear reactions (changes in the nucleus of an atom such as fission) release a lot of energy including a lot of heat. Moreover, this heat is used by humans to obtain electricity and other types of energy, which is known as a nuclear power. This type of power is considered positive because it does not emit carbon and it is quite efficient.
However, in most cases, it is a threat to the environment and living beings because storing and managing the wastes of this type of power is difficult and expensive. Indeed, dealing with the wastes of nuclear power requires complex infrastructure, and any accident or leaking leads to serious consequences from the death of those exposed to the wastes to permanent loss of diversity or changes in nearby areas.
Science is characterized by empirical observations, testable questions, formation of hypotheses and experiments that result in stable and replicable results, logic reasoning and theoretical constructs
a,b,c is your answer light and sound are not considered matter and heat is energy created from matter and electricity is particles moving basically therefore electricity is matter hope this helps
(a) The tension on the wire when the two charges have opposite signs is 383.5 N.
(b) The tension on the wire if both charges were negative is 3.640.25 N.
The given parameters;
- <em>first charge, q₁ = 8.75 μC </em>
- <em>second charge, q₂ = -6.5 μC </em>
- <em>electric field, E = 1.85 x 10⁸ N/C</em>
- <em>distance between the two charges, r = 2.5 cm</em>
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(a)
The attractive force between the charges is calculated as follows;

The force on the negative charge due to the electric field is calculated as follows;

The tension on the wire is the resultant of the two forces and it is calculated as follows;

(b) when the two charges are negative
The repulsive force between the two charges is calculated as follows;

The force on the first negative charge due to the electric field is calculated as follows;

The force on the second negative charge due to the electric field is calculated as follows;

The tension on the wire is the resultant of the three forces and it is calculated as follows;

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