Answer:
The definition of atom: The Atom is the basic unit of matter.
Types of atoms: There are 3 types of atoms, protons, neutrons, and electrons.
Answer: Fusion is a type of nuclear reaction.
Explanation:
Nuclear reaction is defined as those reaction in which nucleus of an atom is involved. There are two types of nuclear reaction:
- Fusion : In this type, two or more smaller atomic nuclei are combined together to form larger nucleus with release in energy
- Fission : In this type, one large unstable nucleus breaks down into two smaller nuclei with release in energy.
The electromagnetic spectrum of an element is not limited only to the visible region of the spectrum.
<h3>What is an electromagnetic spectrum?</h3>
An electromagnetic spectrum is a range of frequencies and wavelengths into which an electromagnetic wave is distributed into.
In Science, the electromagnetic spectrum consist of the following types of energy from highest to lowest frequency and shortest to longest wavelength:
In this context, we can infer and logically deduce that the electromagnetic spectrum of an element is not limited only to the visible region of the spectrum.
Read more on electromagnetic spectrum here: brainly.com/question/23423065
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The concentration of the diluted solution will be 2.44%.
<h3>Dilution problem</h3>
From the equation of dilution:
(M1)(V1) = (M2)(V2).
where M1 = concentration before dilution, M2 = concentration after dilution, V1 = volume before dilution, and V2 = volume after dilution.
In this case:
V1 = 17.06 mL
V2 = 50.00 mL
M1 = 7.16%
M2 = ?
M2 = (M1)(V1)/(V2)
= 7.16 x 17.06/50
= 2.44%
Thus, the concentration of the diluted solution is 2.44%.
More on dilution can be found here: brainly.com/question/21323871
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Answer:-
A. A water molecule
Explanation:-
A molecule is the smallest particle of a compound that retains all it's chemical properties.
Here H2O is a compound. So the smallest particle that will retain all the chemical properties and still remain water is water molecule.
Atoms Hydrogen and Oxygen both have different chemical properties from water H2O and are thus different.
Hydrogen peroxide is different molecule from water. So it is also not water.