Gr 8 Chemical Science: Periodic Table, Protons, Neutrons and Electrons Flashcards | StudBud

Home Library Explore SAT

Home Library Explore SAT

Gr 8 Chemical Science: Periodic Table, Protons, Neutrons and Electrons Flashcards | StudBud

Gr 8 Chemical Science: Periodic Table, Protons, Neutrons and Electrons

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Question

What is the number of electrons of Calcium?

Answer

20

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