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Helium
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Which of the following has the smallest atomic radius P AL S Si Cl?
Atomic radius increases going down the periodic table and going from right to left, meaning that Fr (Francium) has the largest atomic radius and He (Helium) has the smallest. Therefore, Cl<S<P<Si<Al So the answer is Cl
What compares atomic radius francium or cesium?
The covalent atomic radius of francium is 260 pm.The covalent atomic radius of caesium is 244 pm.
What has the smallest atomic number?
Hydrogen is a gas element. It had the smallest atomic number.
Why does argon have the smallest atomic radius in period 3?
Argon doesnt have the smallest atomic radius, its chlorine.Argon has the largest atomic radius in period 3.
Of the following which has smallest atomic radius sulfur aluminum sodium barium?
Atomic radii become larger as you go from top to bottom of the periodic chart, but they get smaller as you go from left to right. Therefore, the elements with the smallest radii are in the upper right hand corner. Of S, Al, Na, and Ba, sulfur is the closest to the upper right corner and has the smallest radius of those elements.
Which alkali earth metal has the smallest atomic radius?
The alkali earth metal with the smallest atomic radius would be beryllium(Be), number four
What is the maximum number of covalent bonds an element with atomic number 7 can make with an element with atomic number of 16?
An element with atomic number 7 (nitrogen) can make a maximum of 3 covalent bonds, while an element with atomic number 16 (sulfur) can make a maximum of 2 covalent bonds. Therefore, when they combine, they can form a total of 5 covalent bonds between them.
What elements has the smallest atomic radius bromine sulfur chlorine or selenium?
Among bromine, sulfur, chlorine, and selenium, chlorine has the smallest atomic radius. This is because atomic radius decreases as you move from left to right across a period on the periodic table. Chlorine is located on the right side of the periodic table in the 17th group, which indicates smaller atomic radius.
Of the six elements shown here BLANK has the smallest atomic radius and BLANK has the largest atomic radius?
Fluorine has the smallest atomic radius, while Francium has the largest atomic radius.
What is the smallest alkali earth metal?
Beryllium is the smallest alkali earth metal in terms of atomic size and atomic number.
What has the smallest atomic radius out of hydrogen sodium and lithium?
Helium has the smallest atomic radius out of hydrogen, sodium, and lithium. This is because helium has a full electron shell, leading to a smaller effective nuclear charge that pulls the electrons closer to the nucleus, resulting in a smaller atomic radius.
Name the noble gas withe the smallest atomic number?
The noble gas with the smallest atomic number is helium, with an atomic number of 2.
