Answer:
1) metals; left
2)sodium: alkali metals calcium: alkaline earth
Explanation:
Answer: When Ionic bonds involve a cation and an anion. The bond is formed when an atom, typically a metal, loses an electron or electrons, and becomes a positive ion, or cation. Then ions produced are oppositely charged and are attracted to one another due to electrostatic forces.
Explanation:
“Paramecia have many organelles characteristic of all eukaryotes, such as the energy-generating mitochondria. However, the organism also contains some unique organelles. Under an external covering called the pellicle is a layer of somewhat firm cytoplasm called the ectoplasm.”
Answer:
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