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Serga [27]
3 years ago
11

In a sedimentary rock, small rounded particles indicate a A) long distance and long travel time. B) long distance and short trav

el time. C) short distance and long travel time. D) short distance and short travel time
Chemistry
1 answer:
mafiozo [28]3 years ago
6 0

Answer:

A) long distance and long travel time.

Explanation:

Sedimentary rocks are the rocks which are created by the accumulation or the deposition of minute particles as well as subsequent cementation of the  mineral or the organic particles on floor of the bodies of the water at the  surface of the Earth.

Sediment Maturity is the duration of the time that sediments have been in sedimentary cycle. <u>Texturally, mature sediments are that which are well rounded, (the process of rounding for the sediments increases with the transport distance as well as the time) as well as well sorted (the process of sorting for the sediments gets better as the larger clasts are astray and the smaller clasts are carried away , which also means the sediments travel longer distance).</u>

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The Molecule of Sodium Formate along with Formal Charges (in blue) and lone pair electrons (in red) is attached below.

Sodium Formate is an ionic compound made up of a positive part (Sodium Ion) and a polyatomic anion (Formate).

Nomenclature:

                       In ionic compounds the positive part is named first. As sodium ion is the positive part hence, it is named first followed by the negative part i.e. formate.

Name of Formate:

                             Formate ion has been derived from formic acid ( the simplest carboxylic acid). When carboxylic acids looses the acidic proton of -COOH, they are converted into Carboxylate ions.

E.g.

                    HCOOH (formic acid)    →     HCOO⁻ (formate)  +  H⁺

                H₃CCOOH (acetic acid)     →      H₃CCOO⁻ (acetate)  +  H⁺

Formal Charges:

                           Formal charges are calculated using following formula,

          F.C  =  [# of Valence e⁻] - [e⁻ in lone pairs + 1/2 # of bonding electrons]

For Oxygen:

                    F.C  =  [6] - [6 + 2/2]

                    F.C  =  [6] - [6 + 1]

                    F.C  =  6 - 7

                    F.C  =  -1

For Sodium:

                    F.C  =  [1] - [0 + 0/2]

                    F.C  =  [1] - [0]

                    F.C  =  1 - 0

                    F.C  =  +1

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Answer:

Mg ---> Mg²⁺+ + 2e⁻

Explanation:

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Alpha particles, also called alpha ray or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a <u>helium-4 nucleus. </u>They are generally produced in the process of alpha decay, but may also be produced in other ways.

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Answer:

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Explanation:

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Now, after doing that he observed that some of the alpha particles were deflected to some degree, and some others bounced back directly toward him.

After those observations, he felt that for the order of the alpha particles to have been deflected, they would possibly have been hit or come close to being hit by a positively charged particle in the atom. This made him to conclude that an atom consists mostly of empty space, with a very small and dense but positively charged nucleus at the center. And that this nucleus contains most of the mass of the atom, while the electrons orbit the nucleus.

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