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3 years ago

What determines how and atom reacts with different atoms

Chemistry

1 answer:

hjlf3 years ago

6 0

Answer:

atoms have a positive nucleus and negative electrons,an atoms electron configuration the outermost electrons determines how the atom can interact with the other atoms and atom forms another atom for sharing electrons.

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How many sodium ions are in 3.0 moles of nacl

Elena L [17]

1 molecule of NaCl contains 1 sodium ion (Na+), that's why if we have 3.0 moles of.
NaCl, we have 3.0 moles of Na+.
N(ions) = n(mol) · NA.
N(ions) = 3.0 moles · 6.02·1023 = 18.06 ·1023 ions.

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3 years ago

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Convert this molecular formula into a structure that is consistent with the usual bonding patterns. C2h6o if more than one struc

Eddi Din [679]

The given formula contains two carbon along with six hydrogen and an oxygen.

The possible isomers from $C_2H_6O$ are ethanol and dimethyl ether.

Ehtanol is an alcohol containing a hydroxyl group whereas dimethyl ether is an ether containing an oxygen between two methyl

The structure of two isomers are:

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3 years ago

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for work to be accomplished we must have (2 points) a)an action which causes movement and an opposite reaction. b)an action whic

Tanya [424]

I think it's A, an action which causes movement and an opposite reaction

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3 years ago

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What physical effect can change the boiling point of a substance?

Artemon [7]

Pressure can affect the boiling pressure of a substance

as when pressure increases the particles are closer together and so require more energy to boil therefore increasing the substances boiling point

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3 years ago

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Identify each statement as true or false. Explain in every case.a.Ionization energies are always negative quantities.b.Oxygen ha

worty [1.4K]

Answer:

(a) FALSE

(b) FALSE

(d) FALSE

Explanation:

Ionization energy refers to the energy needed for removal of a valence electron present in valence shell of a gaseous atom.

(a) The value of ionization energy of an atom is always positive. This is because energy has to be always supplied or provided to a gaseous atom for the removal of the valence electron.

Therefore, the statement (A) is false

(b) The ionization energy of an atom increases across a period i.e. from left to right. This is because the effective nuclear charge that is experienced by the valence electron increases from left to right in the periodic table, as the atomic number increases.

So, more energy is required to remove the valence electron of fluorine as compared to oxygen.

Therefore, the ionization energy of fluorine is greater than oxygen.

Therefore, the statement (B) is false

(c) First ionization energy is energy needed for removal of first electron present in valence shell of a neutral atom. Whereas, second ionization energy is the energy needed for removal of second electron present in valence shell of a monovalent cation

The second ionization energy of an atom is always greater than the first ionization energy. This is because removing an electron from a positively charged species, requires more energy.

Therefore, the statement (C) is true

(d) The third ionization energy refers to the energy needed to remove the third electron from a divalent cation.

Therefore, the statement (D) is false

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3 years ago