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Which element forms an ion that has a larger than its atom?
Example: A neutral chlorine atom contains 17 electrons, while a Cl- ion contains 18 electrons. Because the nucleus can’t hold the 18 electrons in the Cl- ion as tightly as the 17 electrons in the neutral atom, the negative ion is significantly larger than the atom from which it forms.
Which element forms an ion that is larger than its neutral atom?
The ionic radius of a nonmetal is larger than its neutral atom. Nonmetals tend to gain electrons in the atom’s current energy level; these additional electrons repel each other and increase the size of the ion.
What element forms the largest ion?
francium
Thus, helium is the smallest element, and francium is the largest.
Which element forms an ion that is larger than its atom group of answer choices?
The ionic radius is larger than the atomic radius for anions because the excess electrons cause a lessened attraction towards the nucleus which has less protons than there are electrons in the electron cloud. The element that becomes an anion is (D). bromine, Br.
Which elements forms an ion smaller than its atom?
The answer is (d) magnesium. The electrons of an atom are responsible for most of the size of the atom. Hence, an ion that is smaller than its…
Which ion of an element has a larger radius than an atom of the same element?
Simple anions
Anion radius: Simple anions always have a larger radius than the neutral atom of the same element due to the excess negative charge from the electrons as compared with the positive nuclear charge.
Is P or p3 bigger?
With atoms, the effective nuclear charge refers to the net charge experienced by an atom’s outermost electrons. Learn about effective nuclear charge and periodic trends. Review atoms, the periodic table, electrons, and shielding effects. Electron affinity is the energy change that occurs as an atom gains electrons.
Why is sodium ion smaller than chloride ion?
However, Cl- means that there are extra electrons, which would add a repulsive force between the electrons and result in a larger electron field and a larger size. Na+ is missing an electron, so the protons have a tighter hold on a lower amount of e-, resulting in a smaller size.