CHELSEASIMBAJONGO
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the order of elements in the periodic table is based on.
a. the number of protons in the nucleus
b. the electric charge of the nucleus
c. the number of neutrons in the nucleus
d. atomic mass
atoms of elements that are in the same group have the same number of
a. protons
b. neutrons
c. Valence electric
d. protons and neutrons​

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JESSSAGEUMGO

Your Answer in The Following

A:

  1. [tex]\sf \normalsize \: D.) Atomic \: Mass/Number[/tex]
  2. [tex]\sf \normalsize \: D.) Protons \: And \: Neutrons[/tex]

E:

[tex]\boxed{\begin{array}{cc} \sf \normalsize The \: elements \: in \: the \: \\\sf \normalsize (modern \: periodic \: table) \: are \: \\ \sf \normalsize (arranged \: in \: order \: of \: their \: atomic \\\sf \normalsize \: numbers), \: in \: which \: is \: the \: number \: of \\\sf \normalsize \: protons \: in \: the \: nuclei \: of \\\sf \normalsize \: the \: atoms \: of \: an \: element. \end{array}}[/tex]

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