Question

note: to answer some of the questions, it may help to reference a periodic table

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what do the blue dots represent?

Explanation:

Step1: Recall atomic structure

Atoms consist of protons (positive charge), neutrons (no charge), and electrons (negative charge).

Step2: Analyze the symbol

The blue dots have a negative (-) symbol. Electrons are negatively - charged particles in an atom.

Answer:

Electrons