asked 53.7k views
12 votes
How do elements differ going from left to right across a period on the periodic table?

please choose one
They become more valuable.

They become lighter.

They become more radioactive.

Their atomic number increases.

asked
User Mseddon
by
8.1k points

1 Answer

6 votes
their atomic number increases
answered
User Grimmig
by
8.1k points

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