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Atomic weight of all elements are relative to oxygen atom being taken as 16. The atomic weight of sodium is 6.940. Sodium metal has a density of 0.59. Density is mass per unit volume. Therefore the atomic volume of sodium is 11.763. Assuming atoms and molecules are spheres, the radius is the cube root of 11.763 divided by (pi x 4/3). But, this is relative oxygen, the radius of which in angstrom units has been determined
The only purpose of knowing the radius of an atom is to calculate its atomic or molecular volume, which, in the case of gases is very nearly the same by calculation but maybe universally equal in fact.
The original determination of the atomic weights of the inert gases was the mass of 22.4 litres of each of them. I, personally, determined the atomic weight of iron accurately to 5 decimal places in the chemistry laboratory of my local university, by chemical means. I could have calculated the atomic volume had that have been required.
Wiki User
∙ 8y ago
Wiki User
∙ 13y agoA sodium atom has an atomic radius of about 2.23 angstroms.
Wiki User
∙ 10y agoIn picometers the radius of sodium is...,
186 picometers (1 meter/1012 picometers)
= 1.86 X 10 -10 meters in radius
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Wiki User
∙ 14y ago.154 pm
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∙ 13y ago186 pm
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∙ 12y ago134
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How do the atomic radius and metallic properties of sodium compare to the atomic radius and metallic properties of phosphorus?
Sodium has a larger atomic radius and is more metallic.
What is the largest radius Na or Al?
Sodium has a larger atomic radius than aluminum.
Does Sodium have a larger atomic radius than Aluminum?
yes
Why is sodium more reactive than gold?
the atomic radius of sodium is greater than of gold.
Which has a larger atomic radius sodium or cesium?
No. Lithium and sodium are both from the same column of the periodic table and so have similar chemical properties. Lithium is atomic number 3 with a weight of 6.94. Sodium is much bigger and heavier with an atomic number of 11 and a weight of 22.99.
How do the atomic radius and metallic properties of sodium compare to the atomic radius and metallic properties of phosphorus?
Sodium has a larger atomic radius and is more metallic.
What has the smallest atomic radius out of hydrogen sodium and lithium?
Hydrogen has the smallest atomic radius - 25 pm.
What has the largest radius K or Na?
Postassium, K, has a larger radius than sodium, Na, because it is in the next period on the table but in the same group as sodium.
What is the largest radius Na or Al?
Sodium has a larger atomic radius than aluminum.
Does Sodium have a larger atomic radius than Aluminum?
yes
Why is sodium more reactive than gold?
the atomic radius of sodium is greater than of gold.
Which has a larger atomic radius sodium or cesium?
No. Lithium and sodium are both from the same column of the periodic table and so have similar chemical properties. Lithium is atomic number 3 with a weight of 6.94. Sodium is much bigger and heavier with an atomic number of 11 and a weight of 22.99.
Compared to the atomic radius of a sodium atom the atomic radius of a magnesium atom os smaller the smaller radius is primly a result of the magnesium atom having?
a larger nuclear charge
Which of these elements has largest atomic radius sodium aluminium silicon sulfur?
Sulfur.
Is a sodium atom is larger than a silicon atom?
No. A cesium atom is larger both in terms of atomic mass and atomic radius.
What element has the largest atomic radius out of sodium magnesium phosphorus and chlorine?
12-Magnesium
Which element in each pair has atoms with a larger atomic radius selenium oxygen?
For the representative elements (main group elements), atomic radius generally decreases from left to right across a period. Example: B and Fl: Fl has the smaller atomic radius Li and Be: Be has the smaller atomic radius
