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3 years ago

Where is the ion charge located in the isotope symbol

1 answer:

3 0

The ion charge located in the isotope symbol on the top right corner. The number part of an isotope's name is the Mass Number (P + N). A negativelycharged ion (anion) will have more Electrons than Protons. Cl 1- has one more electron than proton; 18 electrons, 17 protons. That's why its charge is 1-.

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ethanol and benzene dissolve in each other. when ml of ethanol is dissolved in l of benzene, what is the mass of the mixture?

dsp73

The total mass of the mixture will be "958.5 g".

Calculation ,

According to the question, the density of both the mixtures will be:

Ethanol = 0.785 g/mL ( given )

Benzene = 0.880 g/mL ( given )

The volume of both the mixtures,

Ethanol = 100 mL ( given )

Benzene = 1.00 L or 1000 mL ( given )

As we know,

density = mass/volume

now,

The mass of Ethanol will be:

mass = density × volume = 0.785 g/mL × 100 mL

mass = 78.5 g

The mass of Benzene will be:

mass = density × volume = 0.880 g/mL × 1000 mL

mass = 880 g

hence,

The total mass of the mixture = 78.5 g + 880 g = 958.5 g

Missing data ,

density of Ethanol = 0.785 g/mL

density of Benzene = 0.880 g/mL

The volume of both the mixtures,

Ethanol = 100 mL

Benzene = 1.00 L

Learn more about mass of the mixture here:

brainly.com/question/15189339

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8 0

2 years ago

Gaseous ammonia reacts with oxygen in the

KengaRu [80]

INTERNIAOL RECTLEIMUM

7 0

3 years ago

Equation for the reaction btn nitric acid and metal X whose valence is 3

viva [34]

(a) Reaction of nitric acid with non-metal:
C+4HNO
3

⟶CO
2

+2H
2

O+4NO
2

S+6HNO
3

⟶H
2

SO
4

+2H
2

O+6NO
2

(b) Nitric acid showing acidic character:
K
2

O+2HNO
3

⟶2KNO
3

+H
2

O
ZnO+2HNO
3

⟶Zn(NO
3

)
2

+H
2

O
(c) Nitric acid acting as oxidizing agent
P
4

+20HNO
3

⟶4H
3

PO
4

+4H
2

O+20NO
2

3Zn+8HNO
3

⟶3Zn(NO
3

)
2

+4H
2

O+2NO

hope that helps you please mark brainliest

3 0

3 years ago

An ocean trench .

Klio2033 [76]

Answer:

C. Occurs where a plate is moving down.

Explanation:

Ocean trenches are steep depressions in the deepest parts of the ocean where old ocean crust from one tectonic plate is pushed beneath another plate, raising mountains, causing earthquakes, and forming volcanoes on the seafloor and on land.

Please mark as Brainliest! :)

7 0

3 years ago

Read 2 more answers

What is the charge of an atom after it gains an electron during the formation of a bond?

Alex_Xolod [135]

Answer:

D. One negative charge

Explanation:

During the formation of a bond, if an atom gains an electron, after that it will be left with a negative charge compared to the atom before the bond is formed. This is because in these types of bonds, which are ionic bonds, there is a transfer of electrons between atoms, there will be one or more atoms that yield electrons that will be captured by another and other atoms that gain them, and the difference of charges produced by this transfer of electrons, will cause the union to occur due to the attraction between electrostatic forces.

If you have a neutral atom before joining, and it gains an electron to form a bond, it will have one electron more than its initial state (in the initial state, the number of protons and electrons is the same, because the atoms they are electrically neutral), so having an extra electron will make it have a negative charge, since there will be a difference between the number of protons and electrons that the atom possesses. This is why the correct answer is D.

In the case of response A and B, the atom could only remain positively charged if it loses electrons, but as in this case it wins, they are not correct.

The answer C is also not correct because only one electron wins, so that it is left with two negative charges, it should gain two electrons during the bond formation.

7 0

3 years ago