Someone pls help me I will make you brain

Answer:

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\[/tex]

From the question

mass = 992 g

volume = 1000 mL

We have

[tex]density = \frac{992}{1000} \\ = 0.992[/tex]

We have the final answer as

Hope this helps you

Answer:

Mostly Kinetic

Explanation:

am not sure

Explanation:

1T

2T

3T

4F

5F

6F

7F

8T

9T

10T

Answer:fluorine

Explanation:

Based on location in the periodic table, fluorine (F) has chemical properties that are most similar to iodine.

In the periodic table, elements are classified in groups and periods. The elements in the same group are chemically similar and they have the same number of valence electrons. Elements in the same period have the same highest energy level.

Hence, when looking for an element that is most chemically similar to iodine, we have to consider the element that is in the same group with iodine.

Both fluorine are iodine are both in group 17 hence, fluorine is most chemically similar to iodine.

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Answer:       freezing

Explanation:

when the atoms or molecules in a solid or liquid are moving slower and closer together, it is called brrrrrrrrr freezinf

Answer: b

Explanation:

It will weigh less than in San Diego. So, the correct option is (B).

The elevation of a geographic location is defined as its height above or below a fixed reference point known as a geoid which is a mathematical model of the Earth's sea level as an equipotential gravitational surface.

Height is defined as the vertical distance of a point on a horizontal surface while Elevation is the height of a point above (or below) sea level.

As the Elevation is higher, the weight will be less, whereas if the Elevation is less, then the weight will be more. For example, the elevation in San Diego is 15 feet, so the weight is 115 pounds, while the elevation in Denver, Colorado, is 5,280 feet, so the weight would be less than 115 pounds.

Thus, it will weigh less than in San Diego. So, the correct option is (B).

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A. putting a piece of soft iron in an outlet

Based on the trend of electronegativities values of the elements Be, Mg, Ca, and, Sr within their group (increasing from bottom to top), the atoms of the element Sr will have the least attraction for an electron.  

We need to remember that electronegativity indicates the affinity or attraction of an element for an electron. Hence, the higher the electronegativity, the higher the attraction of that element for an electron.  

The values of electronegativities of the given elements are the following:

Be = 1.57

Mg = 1.31

Ca = 1.0

Sr = 0.95

We can see that the increasing trend of electronegativities in this group is from the bottom to the top, having the Sr with the lowest electronegativity value and the Be with the highest.  

This trend is related to atomic size, the larger the atomic size, the lower the electronegativity because the electron in the outermost shell will feel less attraction towards the nucleus of an atom. In a group of the periodic table, the size of an atom will increase from top to bottom.          

Therefore, according to the said above, the atoms of the Sr will have the least attraction for an electron (it has the lower electronegativity value).

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I hope it helps you!

The element belongs to group 17 of the periodic table.

In the periodic table, elements are arranged in groups depending on their properties. Usually, elements whose atoms have the same number of valence electrons are placed in the same group.

All the elements in group 17 have seven electrons on their outermost shell. Since an ionization energies of the electrons on the valence shell of an atom are always close together, the ionization energies of the seven electrons as shown indicate that they must be on the same shell.

Hence, the new element must be a member of group 17 of the periodic table.

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Answer:

beryllium chloride

Explanation:

Therefore a compound made from beryllium and chlorine will be named beryllium chloride.

Answer:

nosé

Explanation:

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Answer:

second one

Explanation:

Answer:

I think the answer is yellow or White

Explanation:

because it is the visible light that I know

mask me as brainless

thanks

Answer:

Water separates the two reactants into two layers, stopping the reaction.

Explanation:

Maleic anhydride can and will react with water.

The reaction between maleic anhydride and anthracene is a Diels Alder reaction. This type of reaction is a cycloaddition reaction.

The Diels Alder reaction is a member of a class of reactions called cycloadditions. This reaction involves three pi bonds, two from the diene and one from the dienophile in a concerted reaction to give a six-membered ring.

Since this reaction involves four pi electrons in the diene and two pi electrons from the dienophile, it is sometimes referred to as a 4+2 cycloaddition.

The presence of electron donating groups on the diene and the electron withdrawing groups on the dienophile favors normal Diels Alder reactions. The reaction involves the formation of new σ bonds which are energetically more stable than π bonds.

Anthracene can react with water, breaking the center ring. Maleic anhydride can react with water, opening its ring. The reactants get seperated into two layers by water and thereby stops the reaction.

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Answer:

formula unit

Explanation:

formula unit represents the simplest ratio of elements.

Answer:

B

Explanation:

i don't know minerals a good for the body

H = mc∆T

H = 23g * 4.2J/g°C *(100°C - 0°C)

H = 9660 J

H = 9.66 KJ.

The energy released is 9.66 KJ.

Answer:

[tex]N2[/tex]

Explanation:

Because  

Molecular nitrogen (N2) is a very common chemical compound in which two nitrogen atoms are tightly bound together.

Answer: This makes the lemonade a homogenous mixture

Explanation:

If the freshly squeezed lemonade is made by squeezing lemons to extract the sour juice and mixing this with water and sugar all the substances in the mixture finally created are in the same phase.

Answer:

They are constitutional isomers and diastereomers.

Answer:

Explanation:

Electron Configurations

A B

Fluorine 1s2 2s2 2p5

Neon 1s2 2s2 2p6

Sodium 1s2 2s2 2p6 3s1

Magnesium 1s2 2s2 2p6 3s2

Answer:

A) Oxygen

Explanation:

i just took the test.

Answer: As hand sanitizer dries, it evaporates into gas, which can also catch fire. That’s why the experts recommend that people avoid lighters, matches and fires after using hand sanitizer.

Explanation:

Explanation:

A medida que se seca el desinfectante de manos, se evapora en gas, que también puede incendiarse. Es por eso que los expertos recomiendan que las personas eviten los encendedores, fósforos y fuegos después de usar desinfectante para manos.

Answer:

may be the answer will be study the structure of the earth and resources.

Answer:

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tu solo di cuando donde

Explanation:

Answer:

By putting the liquid water in the fridge

Explanation:

When it is solid the heat will melt to liquid water and if you put it inside a boiling kettle if it boil finished it will bring out gas,if you open it the cover of the kettle you see water if you put it in the fridge and it will be solid again.

Answer:

b . Thunder formed between carbon atoms and other elements because carbon has four valence electrons it made take for Coral Bell and funds to obtain a complete outer energy level.

Answer:

White-Blue-Red-Yellow-Orange

Explanation:

The sun emits all colors of the rainbow more or less evenly.

⚠️ I'm not 100% sure but for sure there is White ⚠️