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Element X has six more protons than element Y.Which statement must be correct?1Atoms of element Y are smaller than atoms of element X.AElement X has a full shell of electrons.BElement X and element Y are in the same group.CElement X and element Y are in the same period.

Question

Element X has six more protons than element Y.Which statement must be correct?1Atoms of element Y are smaller than atoms of element X.AElement X has a full shell of electrons.BElement X and element Y are in the same group.CElement X and element Y are in the same period.

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Solution

The correct statement is: "Atoms of element Y are smaller than atoms of element X."

Here's why:

  1. Atoms of element Y are smaller than atoms of element X: This statement is likely to be correct. As you move across a period in the periodic table from left to right, the number of protons in the nucleus increases, which increases the positive charge of the nucleus and pulls the electrons closer to the nucleus, making the atom smaller. So, if element X has six more protons than element Y, it is likely that atoms of element Y are smaller than atoms of element X.

  2. Element X has a full shell of electrons: This statement cannot be determined to be correct without additional information. Just because element X has more protons than element Y does not necessarily mean it has a full shell of electrons.

  3. Element X and element Y are in the same group: This statement is likely incorrect. Elements in the same group of the periodic table have the same number of valence electrons, not necessarily the same number of protons.

  4. Element X and element Y are in the same period: This statement could be correct or incorrect. Elements in the same period have the same number of electron shells. However, without knowing the specific elements or their locations on the periodic table, we cannot determine if they are in the same period.

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