How does their position on the Periodic Table relate to their valence electrons? Use the octet rule to explain how this feature makes them reactive.

.. using Alkali metals NEED ASAP

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.

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metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)