What element has the second largest atomic radius?

Element Li Be
Energy Level being filled (Valence Shell) second (L) second (L)
Nuclear Charge (charge on all protons) 3+ 4+
Atomic Radius (pm) 134 90
General Trend (largest)

Which elements have the largest radius?

Francium has the largest, Helium has the lowest. Atomic radius increases as you go to the left and downward due to the attraction of electrons and the nucleus in an atom.

Which element has largest size in second period?

Lithium is the first element of the second period and atomic size decreases across the period. Therefore, Li has the largest size.

Which of the following element of second period has second highest radius?

Properties of Elements in Period 2 of the Periodic Table

Name of Element (Symbol) Lithium (Li) Oxygen (O)
Atomic Radius (pm) 152 66
1stIonization Energy (kJ mol-1) 526 1320
Electronegativity (Pauling) 0.98 3.44
Melting Point (°C) 180 -219
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Is Br or Br bigger?

Br – will have the largest atomic size because Br- has one extra electron in its valence shell which due to its unbalanced negative charge will be repelled and hence the atomic radius of Br- will increase.

What has the smallest atomic radius?

Helium has the smallest atomic radius. This is due to trends in the periodic table, and the effective nuclear charge that holds the valence electrons close to the nucleus.

Which of the group 13 elements is the largest?

While, aluminum, indium, and thallium have typical metal properties, gallium has the largest liquid range of any element. Boron exists as a molecular compound in the solid state, hence its high melting point.

Physical properties.

Element B
Mp (°C) 2300
Bp (°C) 3658
Density (g/cm3) 2.3

What is the smallest element in Period 4?

The atomic size decreases along the period towards the right but the noble gases are larger than halogens. So the smallest element of the period is the halogen. So, the smallest element of the fourth period is Bromine.

Which element has a larger atomic radius than phosphorus?

Atomic Radius of the elements

Helium 31 pm 161 pm
Phosphorus 98 pm 183 pm
Selenium 103 pm 184 pm
Xenon 108 pm 185 pm
Silicon 111 pm 188 pm

Which element has the smallest atomic radius in second period?

As we move from left to right, atomic size decreases because of increase in nuclear charge but no change in the shells. Hence, Last element will be the smallest element in the period. Hence, fluorine has small radius in the second period.

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Which element in Period 2 has the smallest atomic radius?

Fluorine is the element with smallest atomic radii.

Which first group element has the largest radius?

(ii) The element Li has the smallest atom (atomic radius 152 pm) whereas the element Cs has the largest atom (atomic radius 262 pm).

Which is larger K+ or K?

These are electrons with “highest energy level”. When at neutral, the potassium ion in the form of K has an electronic configuration of: … The K+ ion has its outermost electrons on the third energy level now and is size is smaller than that of K ion. Hence, K is larger than K+.

Why is atomic radius of K greater than Br?

Since potassium is located at the start of period 3, and bromine at the end of the same period, potassium will have a larger atomic radius than bromine, and thus the largest atomic radius of the four given atoms.

Is N bigger than F?

Explanation: We know that the fluorine atom is SMALLER than the nitrogen atom…. 50×10−12⋅m for F versus …. 65×10−12⋅m for N .

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