Answer: Silicon is better
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Chemistry is a field of science deals with chemicals, reactions, and their structure. Chemistry is the discipline in which geology, material, and nutrition are studied.
The field of science deals with the substances of matter its composition and the checking of their reactions and property of a chemical reaction.
The field of science interact with the physical structure of the earth, and history of the earth's surface, and the processes already done.
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B) The substances produced are identical to the substances that reacted except that they're isomers.
C) The total mass of the reacting substances is the same as the total mass of the substance produced by the reaction.
D) The chemical properties of the substances produced by the reaction are different from those of the reacting substances.
Answer: B) The substances produced are identical to the substances that reacted except that they're isomers.
Explanation: Chemical change is a change in which atoms of the reactants are rearranged ,thus leading to formation of new products.
The new substances formed are different compounds from the original reactants and thus they have different properties.
This is an example of chemical reaction in which the bond between chlorine molecule is broken and a new bond between sodium and chlorine gets formed.
formed is an ionic compound whereas chlorine is a covalent compound and sodium is a metal.
Summarize it!
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Time Elapsed: 45
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15 m
20 m
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I. 0.5 m
Answer:
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