which of the following is the simplest type of earrings​

The family of elements that all the other elements are trying to emulate in their electronic structure is the noble gas elements.

Noble gases is the general name given to elements in group 8 of the periodic table of elements. They are otherwise known as inert gases because they are unreactive ordinarily.

Inert gases are unreactive because they have 8 valence electrons. In other words, their outermost shells are completely filled and this makes them highly stable. They are said to be in an octet state.

Octet state is what other elements are trying to achieve in their electronic structure. Not having a completely filled outermost shell in their atoms makes them relatively unstable and reactive. This is why elements form ions and combine with other ions to form bonds.

In other words, the family of elements that other elements try to emulate in their electronic structure is the noble gas family or group 8 elements.

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Answer:

the answer is ecosystem i believe.

Answer:

ecosystem

Explanation:

Answer:

its C) one that results in smooth plant leaves, while not changing the function of the leaves

Explanation:

Answer:

Person above me is right!

Explanation: its C :)

At higher temperature and lower pressure, gases most likely to behave ideally.

An ideal gas is a hypothetical gas made out of many haphazardly moving point particles that are not expose to interparticle interactions. The ideal gas idea is valuable since it complies with the best gas regulation, a worked on condition of state, and is managable to investigation under factual mechanics. The necessity of zero communication can frequently be loose if, for instance, the connection is totally flexible or viewed as point-like crashes.

Under different states of temperature and tension, many genuine gases act subjectively like an ideal gas where the gas particles (or iotas for monatomic gas) assume the part of the best particles. Many gases, for example, nitrogen, oxygen, hydrogen, noble gases, a few heavier gases like carbon dioxide and combinations like air, can be treated as ideal gases inside sensible tolerances over an extensive boundary range around standard temperature and tension.

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Answer:

Explanation:

if an object is heavy,the acceleration decreases because the acceleration produced on a body is inversely proportional to its mass.

Unlike protons and neutrons, which are housed inside the atom's nucleus at its center, electrons are found outside the atom.

An atom can have a label in addition to a symbol or atomic number. The label is formatted as "(text)" (without the quotation marks), which means "text, closed curved bracket, open curved bracket." If an isotopic mass is present, it should come after the chemical symbol, followed by the label.

The element is represented by the letter(s) in the centre. The atomic number, which indicates the quantity of protons, is the number in the bottom left corner.

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Answer: 2.13

Explanation: i crawled so you could run :)

If the IR spectrum of a crude product shows peaks at 1691 cm⁻¹ and 1702 cm⁻¹, the peak corresponds to the presence of a carbonyl group (C=O).

The carbonyl group is a functional group that is responsible for many of its chemical and physical properties. The C=O bond absorbs infrared radiation in this region, resulting in a characteristic peak. The intensity and shape of the peak provide information about the strength of the bond, its environment, and the presence of any neighboring functional groups. This information is important in determining the identity of the compound and its structure, as well as for studying the chemical reactions and interactions involving the carbonyl group.

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The options can not be found on the internet so i will provide overview on the great basin desert below;

The Great Basin Desert is a vast arid region located in the western United States, covering parts of Nevada, Utah, California, Oregon, Idaho, and Wyoming. It is named after the Great Basin, a region of relatively flat land surrounded by mountain ranges that drain internally.

The Great Basin Desert is characterized by a high elevation and a semiarid climate with hot summers and cold winters. The average annual precipitation in the region is low, ranging from 5 to 15 inches, and is highly variable from year to year. The desert is dominated by sagebrush and other shrubs, and it is home to a variety of animals, including mule deer, pronghorn antelope, coyotes

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Answer:

Kinetic energy to mechanical energy, and mechanical energy to electrical energy.

Explanation:

From the Law of conservation of Energy, which state that energy can neither be created nor destroyed but can be transformed from one form to another. Energy transformation is essential in science and technology, in the process of generating electricity from dams and nuclear power plants

some of the energy transformations are the same, the energy transformations occur in both dams and nuclear power plants is Kinetic energy to mechanical energy, and mechanical energy to electrical energy. Kinectic energy is the energy in motion which means the dams is a running water and posses a Kinectic energy then it's is been convert to mechanical energy (which is the macroscopic energy) then to electrical energy by producing light.

Answer:

Explanation:

Kinetic energy to mechanical and mechanical to electrical

The titration using permanganate in acidic solution because it can be act as behave indicator.

Titration is a typical quantitative chemical analysis procedure used in laboratories to quantify the concentration of a specified analyte. The titrant or titrator is a substance that is manufactured as a standard solution with a given concentration as well as volume.

Permanganate titrations must be performed in a strong acid solution. Because \(HNO_{3}\) and HCl might involve in competing for a redox reaction, lowering the accuracy of the titration, sulfuric acid is commonly utilized. Titration permits food manufacturers to calculate the amount of a reactant present in a sample.

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Answer:

B

Explanation:

the reaction is endothermic because of the temperature drop and the enthralpy is negative because its an endothermic reaction.

I did some research so I believe this to be correct but if its no I'm sorry

Answer: Compound are different than elements because compounds are combinations of 2 or more elements.

Answer:

The answer is for your question is A

Answer:

1:

•a typical metal tends to have a higher melting and boiling point than a typical non metal which has a low melting and boiling point

•a typical metal tends to have a shiny appearance than a typical non metal which has a dull apearance

•and finally, a typical metal is a good conductor of electricity and heat while a typical non metal isn't

2:

elements E and C

3:

a, it doesn't conduct electricity

b, it's a good conductor of heat/ has a high melting point/ has a high boiling point (you can choose either that sits right with you)

Answer:

sorry

Explanation:.

Answer:

84%

Explanation:

Explanation.

That's correct! Water, chemically represented as H2O, can exist in three different phases: solid, liquid, and gas.

The liquid form of water is what we typically drink from water fountains, use for cooking, or find in lakes, rivers, and oceans.

Answer:

There are several ways to add heat to liquid water. Some common methods include:

Using a heating element: This involves using a device such as a stovetop burner, electric heater, or immersion heater to transfer heat to the water. The heating element is typically in direct contact with the water, allowing heat to be transferred quickly and efficiently.

Using a heat exchanger: This involves using a device such as a radiator or heat pump to transfer heat from a hot fluid (such as steam or hot water) to the water. The heat exchanger typically has a separate flow of hot fluid on one side and the water on the other, with a metal or other material separating the two to allow heat to be transferred.

Using a phase change: This involves adding a substance to the water that can absorb heat as it changes phase, such as a solid that melts or a liquid that evaporates. For example, adding ice to water will cause the ice to melt, absorbing heat from the water in the process. Similarly, adding a volatile liquid such as alcohol to water will cause the alcohol to evaporate, absorbing heat from the water as it does so.

Answer:

Atomic radii vary in a predictable way across the periodic table. As can be seen in the figures below, the atomic radius increases from top to bottom in a group, and decreases from left to right across a period. Thus, helium is the smallest element, and francium is the largest.

Answer:

b

Explanation:

the nucleus has an overall positive charge, the electron orbital consists of empty space, while the nucleus consists of neutrons and protons tightly packed together. The electron cloud occupies most of the total volume

Answer:

Water and carbon dioxide

Explanation:

The product of combustion for all hydrocarbons are carbon dioxide and water

Answer:

See Explanation

Explanation:

moles of NH₃ = 11.9g/17.03 g/mol = 0.699 mole

moles of CN₂OH₄ = 1/2(0.699) mole =0.349 mole

Theoretical yield of CN₂OH₄ = (0.349 mole)(60 g/mole) = 20.963 grams

%Yield = Actual Yield/Theoretical Yield x 100%

= 18.5g/20.963g x 100% = 88.25%

Answer:

same process as last solution I did for you except the mole ratio isn't 1:1 here it is 2:1 so you diveide the moles of NH3 by 2 to get the urea moles

here I got 88.16% yield

Explanation:

An electrolytic cell is a cell in which an electric current drives a no spontaneous reaction.

What is electrolytic cell?

Any apparatus in which excess electricity is changed into chemical energy or conversely is an electrolytic cell. Such a cell normally includes two electrodes, which can be metal or electrical conductors, kept apart from one another and in interface with an electrolyte (q.v. ), which is commonly an ionic compound that has been dissolved or fused.

For instance, water can be electrolyzed to create gaseous oxygen and gaseous hydrogen with the use of an electrolytic cell.

Electrical energy is transformed into chemical energy in an electrolytic cell. Electricity is generated in this situation as a result of a spontaneous redox reaction. Electricity must be provided to start the redox reaction because it is not spontaneous.

Therefore, Option C is correct.

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The effective nuclear charge of sulfur is 14, and the effective nuclear charge of chlorine is 15.

Effective nuclear charge (Zeff) is a measure of the positive charge felt by the valence electrons. The effective nuclear charge (Zeff) of s and Cl is calculated using the simple formula zeff = z – s, where z is the atomic number and s is the screening constant. Screening constant (s) is the number of electrons between the nucleus and the valence electrons that shield the valence electrons from the full nuclear charge of the nucleus.

For sulfur (S), the atomic number is 16, and there are two electrons in the innermost shell and four electrons in the second shell. So, the number of valence electrons in sulfur is 6. The screening constant of S is 2. Effective nuclear charge of sulfur = z – s= 16 - 2= 14

For chlorine (Cl), the atomic number is 17, and there are two electrons in the innermost shell and eight electrons in the second shell and seven valence electrons. Therefore, the screening constant of Cl is 2. Effective nuclear charge of chlorine = z – s= 17 - 2= 15

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Answer:

C2H5OH - 9 atoms

Explanation:

2C

5H

1O

1H

I think you wrote the formula for ethanol wrong but still with the one you wrote it is still 9.

Answer:

The control variable in a comparison of cleaning teeth with baking soda and toothpaste would be the toothbrush used, as it is the constant factor in both conditions. The toothbrush should remain the same in both experiments to ensure that any observed differences in cleaning effectiveness are due to the baking soda or toothpaste and not the toothbrush.

The different colors stem from the fact that the electrons of different elements absorb different amounts of energy. Option B

We know that in chemistry, the flame test is one of the ways that we can be able to find out the kind of element that we have. The process of the test is just that we can be able to moisten a salt of the test substance and then expose it to flame. The color that we see from the flame is the color of the electronic transition that is going on in the atom of the element.

Since we know that what is going on is that basically the electrons that are in the substance would just absorb energy and move from a one energy level to the next and this would lead to the emission of light of a characteristic color, this us what we see in the flame test.

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Ferns reproduce with spores which existed the longest in Earth history.

Gymnosperms reproduce with cones and has needle-like, waxy leaves.

Angiosperms reproduce with flowers and newest type of plant in Earth history.

Ferns reproduce with spores that existed the longest in Earth, gymnosperms reproduce through the formation of cones having needle-like, waxy leaves whereas angiosperms reproduce with flowers which turns into seed. The newest type of plant in Earth history is also belongs to this group.

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