Atomic radius blank as the atomic number increases across the period.

The atomic radius of atoms generally decreases from left to right across a period. ... Within a period, protons are added to the nucleus as electrons are being added to the same principal energy level. These electrons are gradually pulled closer to the nucleus because of its increased positive charge

Explanation:

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the wires in the toaster turning red and the toast crisping and turning brown

i think its the first one