Explanation:

Ionization energy goes up throughout the period and under as you go down the group. This is the energy required to eliminate an electron. The the listed elements it would be hardest to remove an electron from Flourine as the positive nucleus close to the electron orbitals has better attractive force.

You are watching: Which of the following atoms has the largest atomic radius?

Explanation:

Helium has actually the smallest atomic radius. This is as result of trends in the routine table, and the efficient nuclear charge that holds the valence electron close to the nucleus. Atomic radius decreases as you move throughout a period from left to right and also decreases as you relocate up a team from bottom to top. Because He is in ~ the top right-hand edge of the table, it must have the smallest atomic radius.

Explanation:

The routine table enables you come follow basic guidelines or "trends" that are presented on the table. Atom radius is one together trend. As you move down in groups, further shells are added to the atom which results in an increase in radius. As you relocate to the ideal on the periodic table, the atom charge increases which pulls the elctrons closer to the nucleus. Together a result, the atom radius will certainly decrease when relocating to the right.

Explanation:

Atomic radius decreases together you move left to best on the regular table. As atomic number increases, therefore does the number of positive protons in the nucleus. To the much left that a period, electrons space widespread in ~ a new electronic shell. To the much right the the period, the electrons still accounting the exact same shell, but experience higher attractive pressure toward the nucleus due to the greater number of protons present.

While that is true that flourine is the many electronegative element, this walk not affect atomic radius (though the two trends follow similar patterns).

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### Example question #45 : The routine Table

The difference in the atom radii that fluorine and also lithium is most comparable to the distinction in the atom radii of i beg your pardon pair that elements?

Cs and also Bi

Fe and also Br

As and Se

Be and B

Na and Cl

Na and Cl

Explanation:

The atomic radius of elements decreases together one moves from left to right across the periodic table. The degree to i m sorry lithium has actually a larger atomic radius 보다 fluorine is most similar to the distinction between an additional pair of elements within the same groups, that are likewise found on the left and right sides of the table.

Fluorine and also chlorine space both halogens, and also lithium and also sodium room both alkali metals. Fluorine and lithium are both in the 2nd period, and sodium and chlorine room both in the third. As you relocate from lithium to fluorine throughout the table, you will certainly see similar changes and also patterns as if you were relocating from salt to chlorine.

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### Example question #46 : The routine Table

Which that the complying with atoms has actually the largest atomic radius?

Chlorine

Oxygen

Fluorine

Sulfur

Sulfur

Explanation:

When predicting exactly how atomic radius will change as you relocate along the routine table, remember these two trends.

1. As you move down the table in a offered group, the atom radius of the atoms will increase.

2. As you move left to ideal in a given period, the atom radius will certainly decrease.

Knowing this, we have the right to compare the possible options. Sulfur and chlorine space in the shortest period, therefore they have actually the biggest atomic radii. Since sulfur is come the left that chlorine top top the regular table, it will have actually a bigger atomic radius. As a result, sulfur has actually the biggest atomic radius out of the feasible options.

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### Example question #47 : The regular Table

Which that the complying with atoms has the the smallest atomic radius?

Nitrogen

Chlorine

Oxygen

Sulfur

Fluorine

Fluorine

Explanation:

As girlfriend move throughout a single period (row) top top the regular table, the atom radius that each successive atom decreases. As you relocate down a solitary group (column), the atom radius of each successive atom increases. As you relocate down a group, the maximum energy level of the valence shell increases, therefore increasing the dimension of the electron cloud and also atomic radius. Together you move across a period to the right, the number of protons in the cell core increases. This also increases the attraction in between the positively-charged nucleus and also negatively-charged electrons, pulling the electron in tighter and reducing the atom radius.

The the smallest atoms are going to be situated toward the upper ideal of the periodic table. Of our offered answer choices, fluorine is the closest come the upper right, and also thus has actually the the smallest radius.

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### Example question #48 : The regular Table

Which that the adhering to values walk not rise as you move left to right in a period of the routine table?

Electronegativity

Electron affinity

Ionization energy

Explanation:

Atomic radius will decrease together you relocate to the right, since the atomic variety of the aspect will be increasing. This outcomes in a much more positively charged nucleus that pulls the electron closer to the center. As a result, atomic radius will significantly decrease indigenous left to right.

Electronegativity, ionization energy, and electron affinity all rise to the right of the regular table.

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### Example question #49 : The regular Table

List the following aspects in order of decreasing atomic radius.

Neon, fluorine, chlorine, oxygen, sodium, magnesium

Explanation:

Within the same period of the periodic table, atom radii decrease as there are more charged particles to tempt one another, and also within the exact same group, atom radii increases. The boost from the ascending group normally speaking is bigger than the decrease down a period.

Four the the elements provided are within the exact same period, so us will ar those four facets in order of decreasing atom radii:

Now us simply need to place Neon, Fluorine, and Oxygen, which are in the exact same period. The tendency of decreasing radii with enhancing atomic number is no true for noble gases, as they have actually a finish octet and are slightly bigger to counter electron-electron repulsion native the octet. In bespeak of decreasing atomic radius:

The boost from the octet is much less than the boost from electron-electron repulsion.

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### Example inquiry #50 : The regular Table

Which the the adhering to have the largest atomic radii within your respective periods (row)?

The noble gases

Alkali metals

Transition metals

Halogens

Alkali metals

Explanation:

The alkali metals are uncovered in the an initial group (column) that the regular table, on the leftmost side. They have only 1 loosely bound electron in their outermost shells, and their efficient nuclear charge values space low, giving them the largest atomic radii of every the aspects in your periods.

See more: If Two Lines Are Perpendicular, Then They Form ? Properties Of Perpendicular Lines

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