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Is strontium larger than a calcium atom?
Yes, strontium is larger than a calcium atom. Strontium has a higher atomic number (38) compared to calcium (20), which means it has more electron shells. This additional shell increases the size of the strontium atom, resulting in a larger atomic radius than that of calcium.
Is calcium more reactive than strontium?
No, strontium is more reactive than calcium. This is because strontium is located below calcium in the periodic table and thus has a larger atomic size, making it easier for strontium to lose its outermost electron and react with other elements.
Which is smallest Be Mg Sr Ca?
Among the elements Be (beryllium), Mg (magnesium), Sr (strontium), and Ca (calcium), beryllium (Be) is the smallest in terms of atomic size. This is because atomic size increases down a group in the periodic table due to the addition of electron shells. Since beryllium is at the top of Group 2, it has the least number of electron shells and therefore a smaller atomic radius compared to magnesium, calcium, and strontium.
Where is the lowest electronegativity barium calcium magnesium or strontium?
Both are ions and we should consider the ionic radius, not the atomic radius. Rubidium ion (Rb+) will have a larger IONIC radius than strontium ion (Sr2+). Both ions have the same electronic configuration. But strontium ion has more number of protons in the nucleus. Hence it will have greater force of attraction between the nucleus and the valence electrons, resulting in smaller size.
Why is it easier for strontium to lose valence electrons than calcium?
Strontium is larger in size compared to calcium due to more electron shells, making it easier for strontium to lose valence electrons farther from the nucleus. This results in weaker attraction between the valence electrons and the nucleus, leading to easier electron loss in strontium compared to calcium.
Is strontium larger than a calcium atom?
Yes, strontium is larger than a calcium atom. Strontium has a higher atomic number (38) compared to calcium (20), which means it has more electron shells. This additional shell increases the size of the strontium atom, resulting in a larger atomic radius than that of calcium.
Is calcium more reactive than strontium?
No, strontium is more reactive than calcium. This is because strontium is located below calcium in the periodic table and thus has a larger atomic size, making it easier for strontium to lose its outermost electron and react with other elements.
Which is the smallest atom magnesium calcium barium or strontium?
Strontium is the smallest atom among magnesium, calcium, barium, and strontium. This is because as you move down a group in the periodic table, atomic size increases due to the addition of more electron shells. Strontium is located lowest in the group 2 elements, so it has the smallest atomic size among the four elements listed.
Which is smallest Be Mg Sr Ca?
Among the elements Be (beryllium), Mg (magnesium), Sr (strontium), and Ca (calcium), beryllium (Be) is the smallest in terms of atomic size. This is because atomic size increases down a group in the periodic table due to the addition of electron shells. Since beryllium is at the top of Group 2, it has the least number of electron shells and therefore a smaller atomic radius compared to magnesium, calcium, and strontium.
Where is the lowest electronegativity barium calcium magnesium or strontium?
Both are ions and we should consider the ionic radius, not the atomic radius. Rubidium ion (Rb+) will have a larger IONIC radius than strontium ion (Sr2+). Both ions have the same electronic configuration. But strontium ion has more number of protons in the nucleus. Hence it will have greater force of attraction between the nucleus and the valence electrons, resulting in smaller size.
Why is it easier for strontium to lose valence electrons than calcium?
Strontium is larger in size compared to calcium due to more electron shells, making it easier for strontium to lose valence electrons farther from the nucleus. This results in weaker attraction between the valence electrons and the nucleus, leading to easier electron loss in strontium compared to calcium.
Which is greater the second ionization energy of potassium or that of calcium?
The second ionization energy of calcium is greater than that of potassium. This is because calcium, with its higher nuclear charge and smaller atomic size compared to potassium, holds onto its electrons more tightly.
Which of the alkaline earth metals is the largest?
Barium is the largest alkaline earth metal due to its larger atomic size compared to the other alkaline earth metals like magnesium, calcium, strontium, and radium.
What is the radius of calcium?
2.23
Which element is most similar to calcium?
The element most similar to calcium is strontium (Sr).Both calcium (Ca) and strontium (Sr) belong to Group 2 (alkaline earth metals) in the periodic table, meaning they have similar chemical properties. These similarities include:Same valence electrons: Both have two valence electrons, making their chemical behavior similar.Reactivity: Both react with water to form hydroxides and hydrogen gas.Formation of compounds: Both form similar oxides, hydroxides, and carbonates.Ionic radius and bonding: Strontium’s ionic radius is slightly larger than calcium’s, but they can often substitute for each other in minerals.Another similar element is magnesium (Mg), which is directly above calcium in the periodic table and shares many chemical and biological functions. However, strontium is even more chemically similar due to its closer atomic size and properties.
Why magnesium has lower melting and boiling point than calcium strontium and other members present below magnesium?
Magnesium has a lower melting and boiling point than calcium, strontium, and other members below it in the group because it has a smaller atomic size, lower nuclear charge, and weaker metallic bonding. These factors result in weaker forces of attraction between the magnesium atoms, making it easier to overcome them and melt or boil the metal.
Is the atomic size of francium greater than that of cesium?
Yes, the atomic size of francium is greater than that of cesium. Francium is located below cesium in the same group on the periodic table, so as you move down the group, atomic size generally increases.
