GRE topic Test: Chemistry assist » general Chemistry » Elements and the routine Table » routine Trends » atom Radius
Explanation:

Most people plainly understand that atomic radius will boost as friend go under the periodic table. However, going indigenous left to ideal will actually decrease atom radius. The reason is that the increased positive charge in the nucleus native the added protons will certainly pull the electrons closer, diminish the radius. The the given options, arsenic and selenium space in the shortest row, but arsenic is more to the left. Together a result, it has actually the largest atomic radius.

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


Explanation:

The tendency for atom radius is to increase going from peak to bottom, as added valence shells are included to the atom. The end of the prize choices, rubidium has actually the highest energy valence shell.

*

With a solitary electron in the fifth energy level, krypton will have actually the highest variety of energy levels of the team I aspects listed.

When moving throughout a period, atom radius will certainly decrease as the variety of protons increases. These protons increase the attraction in between the high-energy electrons and also the nucleus, properly "shrinking" the electron cloud.


Report an Error

Example inquiry #11 : periodic Trends


Which that the following has the largest atomic radius?


Possible Answers:

*



*


*


Correct answer:


Explanation:

Atomic radius boosts with increasing efficient nuclear fee (Z). Elements toward the right and also toward the top of the periodic table have actually the highest Z values. Protons and electrons are included in pairs together we traverse the periodic table from left to right. A attractive pressure is established between the positively-charged nucleus and the negatively-charged electron cloud, which boosts as the variety of particles grows.

When electron are added or taken far without the exact same happening to a proton, an imbalance of fee accumulates. When an ext electrons are current than normal, the electron cloud sags farther far from the nucleus. When fewer electrons are current than normal, the electron cloud is attracted in more tightly toward the nucleus. Atoms through extra electrons (a an adverse charge) will have actually larger nuclei than their neutral counterparts. A chloride ion will certainly thus has a larger atomic radius 보다 argon, a potassium ion, or a calcium ion.


Report an Error

Example inquiry #12 : regular Trends


Which that the following elements has the biggest atomic radius?


Possible Answers:

F


O


C


N


B


Correct answer:

B


Explanation:

Atomic radius can be determined using the regular trends. Atom radius increases to the left of a period and down a group of the periodic table. Electronegativity, in contrast, boosts to the appropriate of a period and up a team of the periodic table. Relating the two, we can see the the greater the atomic radius, the weaker the electronegativity because the electrons room farther far from the nucleus and are can not to feeling the attractive pressure of the proton in the nucleus.


Report an Error

Example inquiry #5 : atomic Radius


Which the the offered atoms has actually the the smallest atomic radius?


Possible Answers:

Bi


N


P


As


Correct answer:

N


Explanation:

Nitrogen, phosphorous, antimony, and also bismuth room all in the same group (column) of the regular table.

The atomic radius boosts from the height of a team to the bottom, due to increased principle covering number (n). As one travels under a group, another s covering is added, definition that electron are added in one more orbit farther native the nucleus. This serves to boost the atomic radius of the atom.


Report one Error

Example question #31 : routine Trends


Which that the provided atoms has actually the biggest atomic radius?


Possible Answers:

O


Ne


Li


B


Correct answer:

Li


Explanation:

Lithium, boron, oxygen, and also neon space all in the same row (period) that the routine table.

The atomic radius decreases from left to best along a duration due come increased reliable nuclear force. Native left to best the atom number increases, indicating that more protons room added. The addition of protons increases the hopeful charge in the nucleus, pulling in the external electrons by boosting the efficient nuclear force, diminish the radius.

In mathematics terms, we have the right to equate efficient nuclear force using the force equation in between two fee particles.

*

We can see that the farther apart the electrons and also protons are, the less the force is in between them.


Report one Error

Example question #7 : atom Radius


Which that the following would have the biggest atomic radius?


Possible Answers:

Iodine


Chlorine


Bromine


Flourine


Correct answer:

Iodine


Explanation:

Atomic radius rises down each team of the regular table and also toward the left of each period. Due to the fact that the elements listed are all in the same group, iodine would have actually the greatest atomic radius due to the fact that it farther under the period compared come the others. 


Report an Error

Example question #8 : atomic Radius


Which that the following correctly defines the tendency for atomic radius in the regular table the elements?


Possible Answers:

Atomic radius boosts with increasing power level. Atomic radius rises as brand-new electrons are included within the same orbital.


Atomic radius boosts with increasing energy level. Atomic radius remains continuous as brand-new electrons are included within the exact same orbital.


Atomic radius decreases with increasing power level. Atom radius remains consistent as new electrons are added within the same orbital.


Atomic radius increases with increasing energy level. Atom radius reduce as new electrons are added within the exact same orbital.


Atomic radius decreases v increasing power level. Atom radius increases as brand-new electrons are included within the exact same orbital.


Correct answer:

Atomic radius increases with increasing power level. Atomic radius to reduce as new electrons are included within the same orbital.


Explanation:

Energy level rises moving down a group of the routine table. As power level increases, the external valence covering becomes much more distant indigenous the nucleus, resulting in atomic radius to increase.

Energy level remains continuous across a period, but electrons are included within the exact same orbitals. When new electrons are added within the same orbital, additional protons space also included to the nucleus. This boosts the efficient nuclear charge, pulling the electron closer come the nucleus. The trend for atom radius is come decrease together we move right along a row.

This way that the general trend because that atomic radius is to rise as one move to the left and downward on the periodic table.


Report an Error

Example question #2 : atomic Radius


Which atom would certainly be meant to have actually the largest atomic radius?


Possible Answers:

Nitrogen


Aluminum


Calcium


Magensium


Oxygen


Correct answer:

Calcium


Explanation:

The radius of an atom is established by the sizes of the orbitals top top its outermost shell. Listed below are the atomic radius trends:

1. Atomic radius increases from peak to bottom within each column.

2. Atom radius decreases indigenous left to best within every period.

Because calcium is located closest come the bottom best on the regular table, it has actually the highest possible atomic radius. Namely, this is due to the truth that calcium"s highest energy electron is in the fourth energy shell.


Report one Error

Example concern #3 : atomic Radius


Which atom would be supposed to have actually the smallest atomic radius?


Possible Answers:

Nitrogen


Sodium


Phosphorus


Magnesium


Potassium


Correct answer:

Nitrogen


Explanation:

The radius of an atom is determined by the sizes of the orbitals ~ above its outermost shell. Listed below are the atomic radius trends:

1. Atom radius boosts from peak to bottom within each column.

2. Atomic radius decreases indigenous left to right within a period.

Because nitrogen is furthest to the the optimal right ~ above the periodic table, it has actually the smallest atomic radius.


Report one Error
← vault 1 2 next →
*

check out Tutors
Gregory Certified guardian
Pennsylvania State University-Main Campus, Bachelor of Science, chemical Engineering. Carnegie Mellon University, doctor of P...

See more: The Exception Unknown Software Exception 0Xc00000D Occurred In The Application At Location


check out Tutors
Gwynne Certified guardian
University that Hawaii at Manoa, Bachelor in Arts, Chemistry. University of Michigan-Ann Arbor, master of Science, medicine an...
see Tutors
Andrew Certified guardian
University of south Florida-Main Campus, Bachelors, Biomedical Sciences. New York medical College, PHD, doctor of Medicine.

All GRE topic Test: Chemistry sources


1 Diagnostic check 152 exercise Tests inquiry of the job Flashcards discover by ide
Popular Subjects
LSAT Tutors in Atlanta, ISEE Tutors in new York City, French Tutors in Seattle, Statistics Tutors in Washington DC, analysis Tutors in Denver, plot Tutors in Boston, ISEE Tutors in Phoenix, Algebra Tutors in Boston, GRE Tutors in Denver, Physics Tutors in Seattle
Popular courses & Classes
GMAT process & great in Atlanta, GMAT courses & classes in Phoenix, ISEE process & class in mountain Francisco-Bay Area, SSAT process & classes in Atlanta, LSAT courses & classes in mountain Francisco-Bay Area, ISEE courses & great in Los Angeles, SSAT courses & great in brand-new York City, SAT process & great in Boston, SSAT process & great in Chicago, MCAT process & great in Los Angeles
Popular check Prep
GMAT test Prep in san Francisco-Bay Area, GMAT test Prep in Atlanta, GRE test Prep in Washington DC, LSAT test Prep in mountain Francisco-Bay Area, SSAT test Prep in Seattle, MCAT check Prep in Houston, ISEE check Prep in Miami, sat Test prep in Miami, sat Test prepare in Atlanta, SSAT test Prep in Denver
Report an problem with this concern

If you"ve found an issue with this question, you re welcome let us know. Through the help of the neighborhood we can proceed to improve our education resources.


Do no fill in this field
* her Name:
* worry Description:
DMCA complaint

her Infringement an alert may it is in forwarded come the party the made the content accessible or to 3rd parties such together ChillingEffects.org.

please follow these steps to record a notice:

you must include the following:

Send your complaint to our designated certified dealer at:

Charles Cohn Varsity Tutors llc 101 S. Hanley Rd, Suite 300 St. Louis, MO 63105