The ionic compound that is used as a building material is limestone and the correct option is option 2.
Limestone is a sedimentary rock composed mainly of calcium carbonate, which is an ionic compound. It is widely used as a building material in the construction industry due to its durability, availability, and aesthetic appeal.
Its unique properties make it a suitable material for both interior and exterior use, providing strength and stability to structures. Additionally, limestone is often used as a raw material in the production of cement and concrete, further highlighting its significance in the construction field.
Thus, the ideal selection is option 2.
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The answer is -30 N
The explanation:
- to make the box move. so,the horizontal force must be greater than the frictional force.
-and when the horizontal force applied is 30 N. So, the box will remain stationary if the frictional force is equal in magnitude but opposite in direction to the horizontal force. means frictional force = -30 N
This is also being indicate that vertical force due to gravity is equivalent to the normal force when gravity force = 8 N and normal force =8 , meaning the box does not move vertically.
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the answer is -30*N.................
Answer:
C) CH3COOH Is the answer you are looking for
Explanation:
This one makes the most sense and the other ones don't fit in with the acids they aren't Acidic those are either bases or neutrals! :)
Hope this helps! :)
B) neutralization
C) deposition
D) reduction
150
b
210
с
249
d
300
Answer:
150
Explanation:
A gas will have the lowest rate of diffusion the lowest temperature from a given set of temperature values.
Since 150 is the lowest value, then this represents the lowest rate of diffusion.
The rate of diffusion is related to the prevalent temperature. When gases diffuse, they move from regions of high concentration to the at of low concentration. They must have enough kinetic energy to move in order to diffuse.
The higher the temperature, the more the kinetic energy and higher rate of diffusion.
Answer:
15º
Explanation:
The rate of diffusion is lower when the temperature is lower. Since 15º is the lowest temperature of the answers, it has the lowest rate of diffusion.
(2) It has a charge of +13 and is surrounded by a total of 13 electrons.
(3) It has a charge of –13 and is surrounded by a total of 10 electrons.
(4) It has a charge of –13 and is surrounded by a total of 13 electrons.
The nucleus of an aluminum atom has a charge of + 13 and is surrounded by a total of 13 electrons. Therefore, option (2) is correct.
Aluminum is a chemical element with atomic number 13 and the chemical symbol Al. Aluminum has 13 protons in its nucleus so it has +13 charge on its nucleus and thirteen electrons surrounding the nucleus of the aluminum.
Aluminum element has a low density and has a great affinity towards oxygen and forms a protective layer of oxide when exposed to air.
Aluminum is a post-transition metal placed in the p-block of the periodic table and forms compounds in the +3 oxidation state. The aluminum cation (Al³⁺) is polarizing in nature and forms metallic bonds to get its covalency in aluminum foil.
The atomic number of the aluminum atom is 13 therefore it has 13 electrons and 13 protons in its atom. The 13 electrons are present n the nucleus of an atom so the nucleus is positively charged.
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Hybridization of orbitals is the concept of incorporation atomic orbitals into new hybrid orbitals appropriate for the pairing of electrons to form chemical bonds in valence bond theory.