Just need to make sure if this is right

Answer:

D. Is the correct option.

Explanation:

2p level contains the electrons furthest from the nucleus in the case of Nitrogen thus it's much easier to disperse/remove the electrons from the shell due to low pull of nucleus energy.

The best explanation of how the spectrum is consistent with the electron shell model of the atom is the electrons in the 2p sub level have the smallest binding energy. Thus, option D is correct.

What is photoelectron spectrum?

Photoemission spectroscopy also known as photoelectron spectroscopy which photoelectric effect is the process in which electron are get energy from external source of energy like sunlight deals with energy measurement of energy emission or electrons emitted from solids, gases or liquids by the process of photoelectric effect,

Photoelectric effect is the process in which electron are get energy from external source of energy like sunlight and get excited and comes in excited state from the ground state due to this process continuos  flow of electron is take place and after that flow of energy is takes place.

Therefore,The best explanation of how the spectrum is consistent with the electron shell model of the atom is the electrons in the 2p sub level have the smallest binding energy. Thus, option D is correct.

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1. matter

2. oxygen

3. water

4. hydrogen

5. compound

hope it helps :)

Answer:

The only one I know is NaC2HO4.

There is Sodium, Carbon, Hydrogen and Oxygen.

1 atom in sodium, 2 atoms in carbon, 1 atom in hydrogen and 4 atoms in oxygen completeting the total of 8 atoms in this element.

The elements are the simplest chemical forms and they cannot be broken down through chemical reactions. There are many elements in the given formulas.

The elements are defined as those substances whose atoms all have the same number of protons. The elements are considered as the building blocks of matter. Each element has an atomic number and a symbol.

Each atom is regarded as an element. The elements create bonds to form molecules. The isotopes are the elements with the same atomic number but different mass numbers.

NaC₂HO₄  - 'N' , 'C', 'H','O'

H₂F₅BLi - 'H','F','B','Li'

He₂PSO₄ - 'He', 'P','S','O'

He₂O₄PH - 'He', 'O','P','H'

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Answer:

relative proportions of the elements in a chemical reaction

A molecule or a compound can easily be represented by their formula.Subscripts in chemical formulas are used to indicate the relative proportions of the elements in a compound.

A chemical formula represent the identity and number of elements in a molecule or compound. Each element in periodic table has their own symbols. For example, hydrogen is H, oxygen having O, N for nitrogen, Na for sodium etc.

These chemical symbols are came from the first one or two letters of the Latin names of the elements. The number of these elements in a compound is given as subscripts of their symbols.

For example, there are two hydrogens and one oxygen in  water and the formula is H₂O. Similarly the formula of carbon dioxide is CO₂ where one carbon and two oxygens are present. In this way the compounds can be easily identified and distuinguished using their chemical formulas.

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Answer:

Well, it´s dangerous because it displaces oxygen in the blood and deprives the heart, the brain and other vital organs.

Explanation:

What i mean by that is that breathing carbon monoxide reduces the amount of oxygen that can be transported in the blood stream to critical organs like the heart and brain. It can also causes E.g. dizziness, confusion, unconsciousness and even death.

I hope this answered yor question, if i did misundertood the question do tell me and i will try my best to explain it. Have a nice day!! :)

Answer: A toaster

Explanation: A toaster is an house held item that is used for heating and toasting bread and other stuff.

Answer:

798.5 grams

Explanation:

Answer:

Explanation:

FALSE.

I hope this helps <333

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Answer:

to the right of the steps

Explanation:

the metals stop at the stair step

The medullary index of hair is the ratio of medullary diameter to the diameter of hair. Thus the medullary  of  hair with 110 microns and medulla diameter of 58 microns is 0.533. This is an animal hair.

Medullary index of hair is the ratio of diameter of the medullary part and the diameter of the hair strand. From this value, we can identify whether the sample hair is of humans or animals.

Hair is made proteins called keratin. The protein structure of hair vary from human to  human even one hair strand to the other and similar way it is different in animal hair too.

The hair strand of humans are thin than the hair strands of animals. Thus the medullary index of humans is 0.333 or less. If the index is 0.50 or greater it is of animals.

Here the diameter of hair is 110 microns and that of medulla is 58 microns thus medullary index is 58/110 = 0.55 microns. Which means that it is an animal hair.

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Answer:

basic

Explanation:

like water to an acid or na2co3 or even diluting an acid causes its ph to increase

Answer:2. Mitosis would produce identical daughter cells with the same number as the parent cell. Meiosis would product sex cells with one-half the amount of genetic material as the parent cells.

Explanation:

If a cell has 4 chromosomes at the beginning of meiosis then the daughter cell will have TWO chromosomes at the end of meiosis.

In conclusion, if a cell has 4 chromosomes at the beginning of meiosis then the daughter cell will have TWO chromosomes at the end of meiosis.

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Answer:

Simply put, essential amino acids are amino acids that cannot be made by the body. These amino acids must come from a person's diet, as the human body lacks the metabolic pathways required to synthesize these amino acids. ... Nonessential amino acids do not need to come from the diet.

Explanation:

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Suelo, grava, bolas de algodón, material de desecho, carbón, arena y astillas de madera.

El suelo, la grava, las bolas de algodón, los desechos, el carbón, la arena y las astillas de madera son materiales extraídos del medio ambiente que nos permiten mejorar la filtración del agua porque estos materiales filtran partículas y otras impurezas del agua y la hacen potable.

La arena y la grava se consideran buenos filtros de agua porque forman capas permeables que filtran el agua. El agua puede pasar lentamente a través de estas capas permeables y la mayoría de las partículas de suciedad quedan atrapadas, por lo que podemos concluir que los materiales anteriores se pueden utilizar como filtros de agua.

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Answer:

The answer is 0.025576559594663

Explanation:

Nitrogen is an essential element for plant growth and development; however, due to environmental pollution, high nitrate concentrations accumulate in the edible parts of these leafy vegetables, particularly if excessive nitrogen fertilizer has been applied. Consuming these crops can harm human health; thus, developing a suitable strategy for the agricultural application of nitrogen fertilizer is important. Organic, inorganic, and liquid fertilizers were utilized in this study to investigate their effect on nitrate concentrations and lettuce growth. The results of this pot experiment show that the total nitrogen concentration in soil and the nitrate concentration in lettuce increased as the amount of nitrogen fertilizer increased. If the recommended amount of inorganic fertilizer (200 kg·N·ha−1) is used as a standard of comparison, lettuce augmented with organic fertilizers (200 kg·N·ha−1) have significantly longer and wider leaves, higher shoot, and lower concentrations of nitrate.

Nitrogen is a critical element for plant growth and development; however, due to environmental pollution, high nitrate concentrations get in the edible regions of these leafy vegetables, particularly if excessive nitrogen fertilizer has been involved.

The main nitrate fertilizers exist as ammonium, sodium, potassium, and calcium salts. Nitrate exists highly reachable and can efficiently travel with water from the soil if there stands excessive rainfall and can get groundwater.

Nitrates in the soil exist as a primary source of nitrogen which is important for plant growth. Under normal conditions, nitrates are transformed to protein in the plant at about identical rates as they exist absorbed into the root system.

Nitrogen is a critical element for plant growth and development; however, due to environmental pollution, high nitrate concentrations get in the edible regions of these leafy vegetables, particularly if excessive nitrogen fertilizer has been involved. Consuming these crops can damage human health; thus, developing a suitable method for the agricultural application of nitrogen fertilizer exists important. Organic, inorganic, and liquid fertilizers existed utilized in this analysis to investigate their impact on nitrate concentrations and lettuce growth. The results of this pot experiment demonstrate that the total nitrogen concentration in soil and the nitrate concentration in lettuce grew as the amount of nitrogen fertilizer increased.

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Answer:

1. Mixtures

2. Different

3. Manipulations

4. Magnet

5. Filtration

6. Liquid

7. Evaporation

Answer:Seafloor spreading is a geologic process in which tectonic plates—large slabs of Earth's lithosphere—split apart from each other. Seafloor spreading and other tectonic activity processes are the result of mantle convection. ... The less-dense material rises, often forming a mountain or elevated area of the seafloor.

Explanation:

Brainliest pls

Answer:

NH4+ ammonium ion hydroxide ion

SO32- sulfite ion perchlorate ion

NO3- nitrate ion chlorate ion

NO2- nitrite ion chlorite ion

Answer:

The organisms that consume the primary producers are herbivores: the primary consumers. Secondary consumers are usually carnivores that eat the primary consumers. Tertiary consumers are carnivores that eat other carnivores.

Answer:

No.

Explanation:

The person giving the dosage should make sure there is a proper dosage. The syringe only tells you how much there is in the syringe.

Please click above answer.

Answer:

When the volume decreases, the pressure increases. This shows that the pressure of a gas is inversely proportional to its volume. This is shown by the following equation - which is often called Boyle's law. ... It means that for a gas at a constant temperature, pressure × volume is also constant.

Explanation:

may i have the brainlyest

Answer:

When the volume decreases, the pressure increases. This shows that the pressure of a gas is inversely proportional to its volume. ... It means that for a gas at a constant temperature, pressure × volume is also constant.

Explanation: