Elements in group 18 of the periodic table are sometimes called inert gases. Explain why they received his name and what it is about their atomic structure that leads to this.

They are called inert gases because they have the full 8 valence electrons in the outer shell. Making them nonreactive.

Explanation:

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answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.