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larisa86 [58]
3 years ago
13

What is the symbol for an ion which has 8 protons and 10 electrons? O F-1 ON-3 Cr-1

Chemistry
1 answer:
Genrish500 [490]3 years ago
7 0

Answer:

here is the perfect answer :O^-2

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Tom [10]

Answer:

P³⁻ + Cl⁻ --> PCl₃

Explanation:

PCl₃: phosphorus trichloride. prefix in front of chloride is "tri"–meaning three.

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Match the chemical with the statement that best describes the observed change in the rate of the reaction when the concentration
maria [59]

Answer:

Explanation:

When the amount of H2O2 is doubled while KI is kept constant, the rate of reaction doubles.

When the amount of KI is doubled and the amount of H2O2 is halved, the rate stays nearly constant.

2H2O2 (aq) → O2(g) + 2H2O (l) ------------- first order kinetics reaction.

Catalysts are KI, FeCl3 only, KCl is not a catalyst. Order: KI < MnO2 < Pb < FeCl3.

H2O2 + I– -> IO– + H2O (Step 1)

H2O2 + IO– -> I– + H2O + O2 (Step 2)

It can be seen that the iodine ion (provided by the KI solution) is a product as well as a reactant.

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3 years ago
Which of the following is TRUE?Which of the following is TRUE?A basic solution does not contain H3O+An neutral solution does not
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b

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b

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The atom as a whole<br> doesn’t carry any electric charge. It’s called a ____________ _________.
olchik [2.2K]

Answer:

Neutron has no charge while electron has a negative charge and proton has a positive charge

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Answer:

See below

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You missed the following elements, but any element with 7 valence electrons could behave like that: Cl, Br, I, F, etc

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