An electron's exact position cannot be pinpointed is the features of the electron cloud model of an atom. Therefore, option A is correct.
In 1926, Werner Heisenberg and ErwinSchrödinger created the electron cloud model. The model is a tool for aiding in the visualization of the electrons' most likely location within an atom.
The electron cloud model is another name for the contemporary theory. This is due to the fact that each orbital surrounding an atom's nucleus resembles a fuzzily arranged cloud.
According to definition, an electron cloud is the area around the nucleus of an atom where electrons are most likely to be found.
Thus, option A is correct.
To learn more about an electron cloud model, follow the link;
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Answer: a
Explanation:
Answer:
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b. The water transfers heat within the pot by convection.
c. Water cannot be heated by electromagnetic radiation.
d. Metal is a poor conductor of heat.
The statement which explains why the student's idea is incorrect is that conduction cannot occur between two different phases of matter.
This involves the transfer of energy between two substances when they are in contact with one another.
The heat from the stove is first passed to the pot before it is transferred to the water hence option A was chosen.
Read more about Conduction here brainly.com/question/893656
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When a pot of water sits on a hot stove, the metal pot is heated, and then transfers its heat to the water. A student claims that conduction is the only type of heat transfer occurring. The statement that explains why the student’s idea is incorrect Conduction cannot occur between two different phases of matter. The answer is letter A.
Answer: The given statement is true.
Explanation:
A chemical change is a change that causes change in chemical composition of a substance.
This change is due to the exchange of electrons that lead to the formation or breaking of bonds.
For example, sodium atom on donating an electron to chlorine atom forms an ionic bond due to transfer of electron.
This formation of ionic bond leads to the formation of a new compound named as sodium chloride.
Therefore, we can conclude that the statement a chemical change involves the formation or the breaking of bonds, is true.
Chemical change involves the formation or breaking of bonds, leading to the formation of new substances.
A chemical change involves the formation or breaking of bonds. When a chemical change occurs, the atoms rearrange themselves, leading to the formation of new substances with different properties. This is different from a physical change, where no new substances are formed.
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Answer: The given statement is false.
Explanation:
A property than can be measured and that is sometimes visible in nature is known as physical property.
For example, boiling point, mass, density, volume etc are all physical properties.
So, when we increase concentration of components in a solution then there will be increase in mass and volume of solution. As a result, there will be change in density also occurs as density is mass present in per unit volume.
Hence, we can conclude that the given statement physical properties of a solution are not affected by the concentration of the components, is false.
B.It is the sum of internal energies of two or more substances.
C.It is the portion of internal energy that can be transferred from one substance to another.
D.It is the portion of potential energy that can be transferred from one substance to another.
Thermal energy is the difference between internal energies of two or more substances. Therefore, option A is correct.
The energy present in a system that determines its temperature is referred to as thermal energy. Thermal energy flows as heat. Thermodynamics is a whole field of physics that studies how heat is transmitted across various systems and how work is done in the process.
The average kinetic energy of the system's component particles as a result of their motion makes up the thermal energy of the system. The sum of the kinetic and potential energies of the system's component particles represents the system's overall internal energy.
Thermal energy is also referred to as heat energy. A moving object's kinetic energy is its energy. Thermal energy is a type of kinetic energy because it is produced by moving particles.
Thus, option A is correct.
To learn more about thermal energy, follow the link;
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Answer:
Tha answer I s D. Hope it will work to u