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Atom A
ATOMB
red) (i) ?
which atom has an atomic number of 3?

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.

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

What happens when an acid dissolves?