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4 years ago

A bond formed when atoms transfer electrons is a(n) ______ bond.

Chemistry

2 answers:

Reil [10]4 years ago

8 0

This question is incomplete. Here is the complete question:

A bond formed when atoms transfer electrons is a(n) ______ bond. A)covalent

b) metallic

c) ionic

d)negative

Answer:

The correct answer is option C) Ionic bond.

Explanation:

Each chemical compound is made up of two or more united atoms. To be stable, the energy they possess in this union must be less than that of the separate atoms. A chemical bond has a net force of attraction for atoms. One of these bonds is the ionic bond.

In an ionic bond it happens that the atoms transfer electrons to each other. This means that an electron donor and receiver will be needed.

This will generate the production of positive and negative ions that attract each other.

krok68 [10]4 years ago

7 0

Answer:

ionic bond

Explanation:

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Sumit and Rohan were playing in bath tub of water. While playing Sumit accidently dropped his iron key into the bath tub and Roh

Sauron [17]

Answer:

The wood

Explanation:

The block of wood shall float in the water while the iron key would sink due to the weight.

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3 years ago

Why are koalas so crusty?

marishachu [46]

Koalas are not crusty, but their fur is very coarse, like wool.
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4 years ago

Read 2 more answers

If a dog has a mass of 22.9 kg, what is its mass in the following units? Use scientific notation in all of your answers. (a) Wha

Firlakuza [10]

Answer:

a) 2.29E4

Explanation: 1kg = 1000g. to get mass in grams multiply 22.9 kg by 1000g then divide by 1 kg to cancel the kg.

b) 2,29E5 g

c) 2.29 E10 μg

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3 years ago

1. Nuclear decay by alpha particle emission is more common in atoms of elements that:

11111nata11111 [884]

Answer 1) Option a) have an atomic number greater than 83

Explanation : Nuclear decay by alpha particle emission is more common in atoms of elements that have an atomic number greater than 83. Nuclear reactions occurs with the elements which have mass number more than 200.

Answer 2) Option D) $He^{4}_{2}$

Explanation : In the given nuclear reaction of helium;

$He^{3}_{2} + He^{3}_{2} ----->$ $He^{4}_{2} + 2 P^{1}_{1}$

Two helium isotopes combines to give another helium isotope with emission of a proton (P).

Answer 3) Option D) The products are more radioactive than the reactants.

Explanation : The major drawback of a nuclear fission reaction to be used as an reliable energy source is that it usually produces the products which are found to be more radioactive than the reactants.

Answer 4) Option D) All of the above concerns.

Explanation : Nuclear reactions are usually very harmful in nature. It raises many concerns about the waste disposal that is generated from the reaction. It also requires safe operation for the working nuclear plants. It can also be misused for nuclear weapon proliferation. Hence, the answer is all of the above.

Answer 5) False.

Explanation : The energy output of the Sun and other stars is a result of fusion reactions among hydrogen nuclei. In fusion reactions usually additions takes place.

Answer 6) Option B) The "missing" mass has been converted to energy

Explanation : The total mass of a helium nucleus not equal to the mass of its individual parts because the missing mass has to be converted into energy.

Answer 7) Option A) less than the mass-energy of the products

Explanation : In a nuclear reaction, the mass-energy of the reactants is generally less than that of the mass-energy of the products because some energy has to be generated while the reaction is progressing.

Answer 8) Option D) $9.00 X 10^{17} J$

Explanation : The calculation of the mass of 10.0 kilograms is completely converted into energy.

$E = m X C^{2}$ formula can be used.

here m = 10 Kg and C = $3 X 10^{8} m/s$

E = 10 X $3 X 10^{8}$ = $9.00 X 10^{17} J$ .

Answer 9) Option C) $3.60 X 10^{17} J$ .

Explanation : For calculation of energy for mass of 4 Kg

we can use the Einstein's formula,

$E = m X C^{2}$

where m = 4 Kg and C = C = $3 X 10^{8} m/s$

E = 4 X $3 X 10^{8}$ = $3.60 X 10^{17} J$ .

Answer 10) False.

Einstein's formula for the conversion of mass and energy, to find the energy, multiply the mass by the speed of light squared.

$E = m X C^{2}$

3 0

4 years ago

Identify each of the following household substances as a strong electrolyte, weak electrolyte, or non-electrolyte: salt solution

wolverine [178]

Answer:

Electrolytes are substances that can ionize in water. They could be acids, bases or salts as long as they give ions when they dissolve in water.

Explanation:

Strong electrolytes completely ionize when dissolved in water, leaving no neutral molecules. The strong electrolytes here are: salt water, baking soda (NaHCO3) solution.
Weak electrolytes do not completely dissociate in solution, and hence have a low ionic yield. Examples of this would be vinegar and bleach (which could be sodium hypochlorite or chlorine, which are weakly dissociated).
Non-electrolytes will remain as molecules and are not ionized in water at all. In this case, sugar solution is a non-electrolytes, even though sugar dissolves in water, but it remains as a whole molecule and not ions.

8 0

4 years ago