lugoerik7 lugoerik7
  • 25-04-2019
  • Physics
contestada


If you read from left to right across a period in the periodic table, which statement is true?


A. The mass of the atoms increases.
B. The number of electrons decreases.
C. The properties of the elements are all roughly the same.
D. The elements are listed in the order they were discovered.

Respuesta :

Аноним Аноним
  • 01-10-2019

Answer:

A

Explanation:

Answer Link

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