what is the definition of an atomic radius

Answer:

A. A ball has most potential energy.

Helium is slightly different because this element only has 2 electrons on it.

I'm not sure though just search it if you want an accurate one.

Answer:

Sodium Bromide

Explanation:

Answer:

Sodium Bromide

Explanation:

Na is sodium, Br is bromine. Together they form the compound Sodium Bromide

As the elements in Period 2 are considered in order from lithium to fluorine, there is an increase in the effective nuclear charge and increase in the ionization enthalpy.

Effective nuclear charge of an atom is the attraction force of positive charge of  protons present inside the nucleus acts as an  valence electrons.

The effective nuclear charge is alway slower  than the total number of protons of the nucleus because of  shielding effect. Where Z is the atomic number and S is the number of shielding electrons.

Therefore, the elements in Period 2 are considered in order from lithium to fluorine, there is an increase in the effective nuclear charge and increase in the ionization enthalpy.

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Answer:

4

C 3 H 8 +  

13  

O 2 →  

8  

CO 2 +  

10  

H 2 O

hope this helps  :)

Answer:

In 1827, Brown observed, using a microscope, that small particles ejected from pollen grains suspended in water executed a kind of continuous and jittery movement, this was named “Brownian motion”. ... This random movement of particles suspended in a fluid is now called after him.

Explanation:

HOPE this helps :)

Answer:

In 1827, Brown observed, using a microscope, that small particles ejected from pollen grains suspended in water executed a kind of continuous and jittery movement, this was named “Brownian motion.This random movement of particles suspended in a fluid is now called after him.

Answer:

Atoms are electrically neutral because the number of protons, which carry a 1+ charge, in the nucleus of an atom is equal to the number of electrons, which carry a 1- charge, in the atom. The result is that the total positive charge of the protons cancels out the total negative charge of the electrons so that the net charge of the atom is zero. Most atoms, however, can either gain or lose electrons; when they do so, the number of electrons becomes different from the number of protons in the nucleus. The resulting charged species is called an ion.

Cations and anions

When a neutral atom loses one or more electrons, the total number of electrons decreases while the number of protons in the nucleus remains the same. The result is that the atom becomes a cation—an ion with a net positive charge.

The opposite process can also occur. When a neutral atom gains one or more electrons, the number of electrons increases while the number of protons in the nucleus remains the same. The result is that the atom becomes an anion—an ion with a net negative charge. We can illustrate this by examining some very simple cations and anions, those formed when a single hydrogen atom loses or gains an electron.

Note: Hydrogen is actually somewhat unusual in that it readily forms both cations and anions. Most elements much prefer to form only one or the other. In terms of its electron configuration, can you explain why hydrogen can form both cations and anions? Feel free to post in the comments at the end of the article!

A hydrogen cation, a hydrogen atom, and a hydrogen anion.

A hydrogen cation, a hydrogen atom, and a hydrogen anion.

Classification cation neutral atom anion

No. of protons 111 111 111

No. of electrons 000 111 222

Net charge 111++plus 000 111-−minus

If a neutral hydrogen atom ( \text{H}Hstart text, H, end text, center) loses an electron, it becomes a hydrogen cation ( \text{H}^+H  

+

start text, H, end text, start superscript, plus, end superscript, left). Conversely, if the neutral \text{H}Hstart text, H, end text atom gains an electron, it becomes a hydrogen anion ( \text{H}^-H  

−

start text, H, end text, start superscript, minus, end superscript, right), also known as a hydride ion. Image credit: adapted from Boundless Learning, CC BY-SA 4.0.

In the center column, we have a diagram of a single, neutral hydrogen atom. It contains one proton and one electron; thus, its net charge is zero. If hydrogen loses its electron, it forms the cation \text{H}^+H  

+

start text, H, end text, start superscript, plus, end superscript (left column). The \text{H}^+H  

+

start text, H, end text, start superscript, plus, end superscript cation has a net charge of 1+ from the one proton in the nucleus since there are no electrons to cancel out the positive charge. If neutral hydrogen gains an electron, it forms the anion \text{H}^-H  

−

start text, H, end text, start superscript, minus, end superscript (right column). The \text{H}^-H  

−

start text, H, end text, start superscript, minus, end superscript anion has a net charge of 1- because it has one extra electron compared to the total number of protons.

Explanation: Hopes this gives a better explanation on them!

Answer:

Spring tides have higher high tides and lower low tides whereas neap tides have lower high tides and higher low tides. Hence, the range is much larger in a spring tide than in a low tide.

Explanation:

(difference in water level between high and low tide)

Answer:

ions

Explanation:

When an atom gains or loses an electron, it becomes an ion. Ions formed by the loss of an electron have a positive charge, and those formed by gaining an electron have a negative charge. Positive ions are called cations, and negative ions are called anions. Cations and anions are attracted to each other.

An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water. not an atom.

Answer:

ions

Explanation:

it was a easy answer

The volume of carbon dioxide produced from 11.8 L ethane at STP is 22.4 L.

The STP can be given as the standard temperature and pressure. The standard temperature is 25° C and 1 atm.

It is known that, 22.4 L of gas at STP is equivalent to 1 mole.

Thereby, concentration of ethane is:

22.4 L = 1 mole

11.8 L = 1/22.4 * 11.8 moles

11.8 L = 0.5 moles

From the balanced chemical equation:

2 moles ethane produce = 4 moles carbon dioxide

0.5 moles ethane produce = 4/ 2* 0.5 moles carbon dioxide

0.5 moles ethane produce = 1 moles carbon dioxide

The volume of  1 mole of gas at STP is 22.4 L. Therefore, 11.8 L ethane produces 22.4 L carbon dioxide.

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The statement that is not correct here is two or more electrons in an atom can have the same set of quantum numbers. The correct option is a.

To describe the location of an electron in an associated atom, we use a series of specific numbers known as quantum numbers.

Quantum numbers describe the properties of atomic orbitals and the electrons within them. The state of an electron in an atom or ion is described by four quantum numbers.

The primary quantum number, denoted by n, represents the electron's primary energy level. Energy levels are fixed distances from an atom's nucleus.

According to the Pauli Exclusion Principle, no two electrons in an atom or molecule can have the same four electronic quantum numbers.

Because an orbital can only hold a maximum of two electrons, the electrons must have opposing spins.

Thus, the correct option is A.

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I'm 99% sure it is A Ionic

Answer: It’s B, Polar covalent

Explanation:

Answer:

The correct option is D

Explanation:

The major raw material used in making cement clinker is limestone. This limestone is usually mixed and heated with clay and can sometimes be mixed, in addition to the clay, with fly ash, black ash, bauxite, iron ore and gypsum. However, the product cement clinker contains different calcium silicates and/or aluminates such as Ca₃SiO₅, Ca₃Al₂O₆, Ca₂(Al,Fe)₂O₅ and Ca₂SiO₄. Thus, the correct option is D.

Answer: They form a Triacylglycerol

Answer:

Prior to his death, Mufasa explains to Simba that “when we die, our bodies become the grass, and the antelope eat the grass, and so we are all connected in the great circle of life” . This is an ecological metaphor that goes beyond the human experience, intertwining the supernatural and physical world.

Explanation:

Answer:

Meaning in some form we all are related some how and that we all have history together

Explanation:

Answer:

A and B

Explanation:

please mark me as brainliest

Answer:

i would say

112 degrees Fahrenheit

                or

100 degrees celsius

Explanation:

brainliest pls if correct

Answer:

i think its B C and D.........

Answer:

Louis Tomlinson, Emma Watson.

Explanation:

Thanks....you too ^_^

Answer:

d = 0.743 g/cm³

Explanation:

Given data:

Mass of cylinder = 65.34 g

Height = 15.60 cm

Radius = 1.34 cm

Density of cylinder = ?

Solution:

Volume of cylinder:

V = πr²h   (π = 22/7)

V = 88 cm³

Density of cylinder:

d  = m/v

d = 65.34 g / 88 cm³

d = 0.743 g/cm³

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Actually Welcome to the Concept of the Acceleration.

a = V2-V1/t

so the correct answer is, a = ∆v/t

option C.) is correct, a = ∆v/t

Answer:

m = y2-y1 / x2-x1

Explanation:

The action modeled by the diagram is; flow of ions ( cations and anions ) in a cell/compound

The diagram is used to represent the flow of control ( flow of ions ) in a system, it is similar to a data flow diagram, because the start, direction and endpoint of an activity diagram is the similar to that of a data flow diagram. Activity diagrams are also used to generally describe the steps in a use case system as seen in the diagram attached in the question.

Hence the diagram ( activity ) represents the flow of ions in a compound

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The statement i.e. true is A. Radiation is the transfer of heat

through electromagnetic waves

The following information should be considered:

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