Platinum; it has two more electron shells than nickel.
Element b would have a larger atomic radius than element c as you move down a group on the periodic table, the atomic radius tends to increase. This is because each successive element has an additional electron shell, leading to an increase in size.
This may vary by your 'definition' of 'bigger'Atom radius Cu: 128 pM, Ni: 124 pM orVanderWaals radius Cu: 140 pM, Ni: 163 pM
Ni (Nickel) has a larger atomic size than Fe (Iron). This is because Nickel has more electrons and energy levels, which leads to a greater atomic radius compared to Iron. Additionally, Nickel is located in the same period as Iron on the periodic table, but it is to the right of Iron, indicating a larger atomic size.
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
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The element nickel (Ni) has an atomic radius of 124 picometers.
Platinum is a metal element. Atomic mass of it is 195.08.
Potassium has a larger ionic radius than sulfur.
Barium has a larger atomic radius than tin.
Al
Sodium (Na) has a larger atomic radius than aluminum (Al).
Potassium has the larger radius (not raduis!).
Phosphorus has larger ionic radius than sulfur. There is more nuclear attraction in sulfur.
Element b would have a larger atomic radius than element c as you move down a group on the periodic table, the atomic radius tends to increase. This is because each successive element has an additional electron shell, leading to an increase in size.
This may vary by your 'definition' of 'bigger'Atom radius Cu: 128 pM, Ni: 124 pM orVanderWaals radius Cu: 140 pM, Ni: 163 pM
Bromine has a larger atomic radius than magnesium. Atomic radius generally increases as you move down a group on the periodic table, so bromine, being below magnesium, has a larger atomic radius.
The atomic radius decreases across a period from left to right and increases down in a given group. That means that since the lower the element is in a group, the larger the atomic radius will be. The atoms with the largest atomic radii are located in Group I and are at the bottom of groups.