compare the size of F- and Na+ with atomic size of Neon?​

Answers

Answer 1

Fluorine's atomic configuration is (2,7). As it's charge is -1, it will have 8 electrons in it's outermost shell thus filling its octate. similarly, Sodium loses one electron.

There you go :)


Related Questions

Why are ocean currents important to coastal regions?​

Answers

Answer:

Warm and cold ocean currents can affect the climate of an area along the coast if the winds blow in from the ocean. Warm ocean currents heat the air above the water and carry the warm air to the land, increasing the temperature of the coastal region.

Explanation:

Ocean currents are important to coastal regions for a number of reasons.

What are the importance?

Distribute heat. Ocean currents distribute heat around the globe, which helps to moderate the climate in coastal regions. For example, the Gulf Stream brings warm water from the Gulf of Mexico to the coasts of Europe, which helps to keep Europe's climate warmer than it would be otherwise.

Transport nutrients. Ocean currents transport nutrients from the ocean's depths to the surface, which supports marine life. For example, the California Current brings nutrients from the deep ocean to the surface, which supports a rich marine ecosystem off the coast of California.

Diversify marine life. Ocean currents help to diversify marine life by transporting different species to different parts of the ocean. For example, the Kuroshio Current brings warm water from the western Pacific Ocean to the eastern Pacific Ocean, which has helped to diversify the marine life in this region.

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What is the name of the group that contains potassium?
O Noble Gases
O Halogens
O Alkaline Earth Metals
O Alkali Metals
Transition Metals

Answers

Answer:

Alkali Metals

Explanation:

Write the group number using both A/B and 1-18 notation for elements that have the
following outer electron configuration:
a 252
b. 3523p3
c. 4s23
d. 5524d105p4

Answers

shiekaka svzgsggajwkwlqmabwhehgeyeuejeksxnnxbxvsgsgwyehdndbxvshakwnw

In the reaction given below, 23.5 grams of iron(III) oxide (Fe2O3) are reacted with excess carbon. What is the theoretical yield of iron metal?
2 Fe2O3 + 3 C --> 4 Fe + 3 CO2

If 14.5 grams of iron are recovered when the reaction is complete, what is the percent yield?


**Both answer should be written as XX.X

Answers

Answer:

Theoretical yield = 16.76 g

Percent yield = 87%

Explanation:

Given data:

Mass of iron oxide = 23.5 g

Theoretical yield of iron = ?

Actual yield of iron = 14.5 g

Percent yield of iron = ?

Solution:

Chemical equation:

2Fe₂O₃ + 3C     →  4Fe + 3CO₂

Number of moles of iron oxide:

Number of moles = mass/molar mass

Number of moles = 23.5 g/ 159.69 g/mol

Number of moles = 0.15 mol

Now we will compare the mole of iron oxide with iron metal.

                      Fe₂O₃         :            Fe

                         2              :              4

                      0.15            :          4/2×0.15 = 0.3

Mass of iron:

Mass = number of moles × molar mass

Mass = 0.3 mol × 55.85 g/mol

Mass = 16.76 g

Percent yield:

percent yield = (actual yield / theoretical yield)× 100

Percent yield = (14.5 g / 16.76 g) × 100

Percent yield = 0.87 × 100

Percent yield = 87%

Answer:

I tried the answer above and it’s correct

Explanation:

(b) A atom T has atomic number 11 and mass number 23. How many (I) protons does it have?​

Answers

Answer:

There are 11 protons in an atom T.

Explanation:

In chemistry, the scientific word for proton is also known as atomic number so the proton number will be 11.

Answer:

11

Explanation:

If the pressure of a 2.00 L sample of gas is 50.0 kPa, what pressure does the gas exert if its volume is decreased to 20.0 mL?

Which equation should you use?
use B.

✔ 5000
kPa

Answers

Answer:

P₂ = 5000 KPa

Explanation:

Given data:

Initial volume = 2.00 L

Initial pressure = 50.0 KPa

Final volume = 20.0 mL (20/1000=0.02 L)

Final pressure = ?

Solution:

The given problem will be solved through the Boly's law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

50.0 KPa × 2.00L = P₂ × 0.02 L

P₂ = 100 KPa. L/0.02 L

P₂ = 5000 KPa

We breathe it out and it takes it in. Your next clue is where photosynthesis begins.

Answers

Answer:

Carbon Dioxide?

Explanation:

When we take a breath, we pull air into our lungs that contains mostly nitrogen and oxygen. When we exhale, we breathe out mostly carbon dioxide.

How do i caculate speed

Answers

Answer:

Speed uses the same units as velocity, which is meters divided by seconds (m/s)

(It doesn't need to be m/s, but it's the most common unit. It's basically any unit of length divided by any unit of time)

hope this helps and good luck

Answer/Explanation:

Speed is a force and is solved by using acceleration.

You can use the problem to solve for force:

F= MA or Force equals mass times acceleration.

Dalton thought that the atoms of each element were the same. We
now know that elements can have different atoms, for example,
chlorine has two different atoms, 35Cl and 7 C.
What name is given to different types of atom of the same element?

Answers

Answer:

molecule

Explanation:

A molecule is formed from two or more atoms

Click the picture please

Answers

Answer:

A chemical change can be indicated by a change in color, change in temperature (exothermic or endothermic), change in smell, formation of a precipitate, or the formation of gas bubbles.

Explanation:

this should work

Record the mass of the object based on the reading from the triple-beam balance. The mass of the object is ____ grams.

Answers

Hello!

[tex]\large\boxed{167g}[/tex]

Looking at the balance, we see that:

The middle beam reads 100g.

The top beam reads 60g.

The bottom beam reads 7g.

Add all of the numbers together to get the total mass:

100 + 60 + 7 = 167g.

The mass of the object is 167 grams.

Explanation:

A triple beam balance is a mass measuring instrument used in labs to measure the mass of a substance. It unit in which it measures is grams. It consists of three beams which are: The middle beam has  Increments of 100 grams  The front beam has  Increments from 0 grams  to 10 grams  The farther beam has  Increments of 10 grams

Given :

Readings of all the scales of three beams of the triple beam balance of an object.

To find :

The mass of object whose reading on triple beam balance is given.

Solution:

Middle beam reader at 100 grams

Front beam reader at 7 grams

Farther beam reader at 60 grams

The mass of object:

[tex]100 grams + 7 garms + 60 grams = 167 grams[/tex]

The mass of the object is 167 grams.

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Earth's atmosphere blocks short wavelengths of the electromagnetic spectrum. Which telescopes must be places in orbit around Earth in order to observe short-wavelength radiation?

Answers

Answer: gamma-ray telescopes

Explanation:

this is the answer because the question is asking what telescope must be

placed to observe SHORT-WAVELENGTH radiation. Gamma-rays have very short wave-lengths so therefore it would be gamma-ray telescopes. visible, infrared, and radio all have long wave-lengths, so we can instantly eliminate them.

The Earth's atmosphere is known to be able to blocks all X-rays from space.  telescopes must be places in orbit around Earth in order to observe short-wavelength radiation is gamma-ray telescope.

X-rays is known to have high energy that are in reflecting telescope. Gamma rays from space is commonly blocked by the Earth's atmosphere as the radiation is lethal.

Gamma-ray telescope is known to be an instrument that is created to detect and resolve gamma rays from space. that is beyond Earth's atmosphere.

This rays are able too be detected by the optical flashes that they emit when interacting with the material in a particular defined instrument.

Learn more about Gamma-ray telescope from

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Which of the following best describes a vacuum?
Hot
Cold
Shiny
Empty

Answers

Answer:

hot

Explanation:

Answer:

The Answer is (Empty)

6. Write the full symbol for an atom with 1 proton, 2 neutrons, and 0 electrons.

Answers

Answer:

The element hydrogen has the simplest atoms, each with just one proton and one electron. The proton forms the nucleus, while the electron orbits around it.

Explanation:

I'll give brainliest

Answers

Answer: Nitrogen

Explanation:

collectiveness leads to a good society? how​

Answers

Answer:

A good society has a transparent talk, they share all matters related to the society, hence everyone knows what's going on. This is why collectiveness leads to a good society.

If my answer helped, kindly mark me as the brainliest!!

Thank You!!

If an ion gains one or more electrons, it becomes a

Answers

The answer is anion hope that helps

Answer:a negative charge

Explanation:

while an atom that gains electrons and becomes negatively charged is known as an anion.

Calculate the molecular mass of the following mass of the following chemical compound
C6H12O6

24 G/mol
180 gmol
155 g/mol
19 g/mol

Answers

Answer:

132g/mol

Explanation:

Given compound:

   C₆H₁₂O₆

Molecular mass of the compound.

 This is the sum of the atomic masses of the given elements in the compound;

  C = 12

  H  = 12

  O = 6

Molecular mass = 6(12) + 12(1) + 6(16) = 180g/mol

The technology in the picture produces which energy conversion?
O A. Chemical energy to kinetic energy
O B. Kinetic energy to electrical energy
O c. Thermal energy to kinetic energy
D. Light energy to electrical energy

Answers

Answer:

Its D. Light energy to to electrical energy

Explanation:

Answer:

D. Light energy to electrical energy

Explanation:

its lowkey obvious lol

How many molecules/atoms of excess reactant will remain after the reaction is complete?

Answers

Answer:

Once you have identified the limiting reactant, you calculate how much of the other reactant it must have reacted with and subtract from the original amount.

Explanation:

 1.  Write the chemical equation.

   2.Calculate the moles of product from the first reactant.

   3.Calculate the moles of product from the second reactant.

   4.Identify the limiting reactant and the excess reactant.

   5.Calculate the mass of excess reactant used up.

   6.Calculate the mass of unused excess reactant.

   7.Calculate the mass of limiting reactant needed to react with the unused excess reactant.

im not sure for this one please help me​

Answers

Answer:

Fairly certain it is the tension of the string

Answer:It would be C

When a 0.4500 g sample of impure potassium chloride was dissolved in water and treated with an excess ofsilver nitrate, 0.8402 g of silver chloride was precipitated. Calculate the percentage KCl in the original sample.

Answers

Answer:

97.78% KCl in the original sample

Explanation:

The % of KCl in the original sample would be as follows:

[tex]97.78[/tex]%

Given that,

Amount of sample of impure Potassium Chloride [tex]= 0.4500 g[/tex]

Amount of Silver Nitrate precipitated [tex]= 0.8402g[/tex]

Now,

Molarity of KCl = [tex]74.5 g/mol[/tex]

Minimum moles required for reaction [tex]= 0.0059 mol[/tex]

Final number of moles  [tex]= 0.0059 mol[/tex]

So,

Concentration = Number of moles * Molarity

[tex]= 0.0059 mol * 0.74.5 g/mol\\= 0.440g[/tex]

Therefore,

% of KCl in the original Sample = Weight of Pure KCl/Weight of Impure KCl

[tex]= 0.440/0.450[/tex] × [tex]100[/tex]

[tex]= 97.78[/tex]%

Thus, [tex]97.78[/tex]% is the correct answer.

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What are the common characteristics among acidic compounds? Basic?

Answers

Answer:

turns blue litmus red

reacts with metal

increase hydrogen concentration

Give a scenario in which a good conductor would come in handy.

Answers

Explanation:

Not sure if ment like an electric type that gives off energy but here is my answer. a good conductor comes off handy in every situation. meaning, without one a machine, or whatever the conductor is being used for could be unstable, or not be able to work perfectly. which would could lead to certain malfunctions. so a good conductor could also give you a better chance of succeeding.

1. How many times will a mole of paperclips (think giant paperclip chain) stretch around the equator of the
earth? (1 paperclip = 0.030 m, Earth's circumference = 4.00 x 10m)

Answers

Yea, it’s either earth (1 paperclip=0.030 m earths circumference = 4x10m)

HELP PLEASE!!!!!!!!

Answers

P, since they both have an input force of 100 J, the one with the higher output by is more efficient.

Screwdriver P

1. Salt has the chemical formula NaCl because it is made up of atoms of Sodium (Na) and Chlorine (CI).
Which statement most accurately describes this compound in relation to the elements it is made of?
A. When sodium and chlorine chemically combine they create a substance with completely different
properties
B. Salt has similar properties to the sodium and chlorine it is made of
C. Once salt is formed the sodium and chlorine atoms no longer exist, only salt atoms
D. Salt can easily be separated back into sodium and chlorine atoms through physical means

Answers

Answer:

A

Explanation:

When Na atom chemically combine with with Cl atom to form NaCl both atoms loose their chemical properties due to the fact that Na atom transfer an electron to cl atom. after transfer of electron Na atom become Na ion (cation) and Cl atom become Cl ion (anion)

perform the following operation and express the answer in scientific notation

Answers

Answer:

2×10⁻⁴

Explanation:

Given data:

2.8 ×10⁻⁶ + 1.4×10⁻²

Solution:

2.8 ×10⁻⁶ + 1.4×10⁻²

2×10⁻⁶⁺²

2×10⁻⁴

Scientific notation is the way to express the large value in short form.

The number in scientific notation have two parts.

. The digits (decimal point will place after first digit)

× 10 ( the power which put the decimal point where it should be)

for example the number 6324.4 in scientific notation will be written as = 6.3244 × 10³

What types of atoms will experience radioactivity?

Answers

Answer:

Alpha particles, Beta particles, Gamma rays

Alpha Is the least harmful

Beta is second most harmful

Gamma is most dangerous

Explanation:

helpppppppp meeeeeee

Answers

Answer:

Synthesis

General Formulas and Concepts:

Chemistry - Reactions

Synthesis Reactions: A + B → AB Decomposition Reactions: AB → A + B Single-Replacement Reactions: A + BC → AB + C Double-Replacement Reactions: AB + CD → AD + BC

Explanation:

Step 1: Define RxN

RxN:   NH₃ + H₂SO₄ → (NH₄)₂SO₄

Step 2: Identify

Combining 2 compounds to form 1.

NH₃ + H₂SO₄ → (NH₄)₂SO₄

A + B → AB

It is a Synthesis Reaction.

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