An Give the nuclide symbol for
atom or ion that has
63 neutrons , 48 protons
and 48 electrons​

Read the given expression. x = number of protons − number of core electrons which of the following explains the identity of x and its trends across a period? x is the effective nuclear charge, and it remains constant across a period. x is the screening constant, and it remains constant across a period. x is the effective nuclear charge, and it increases across a period. x is the screening constant, and it increases across a period.

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What metric units would you use to measure the thickness of a key