In order to identify a mineral, you must examine just one of its physical properties.
true
false

Which other elements contain the same number of outer electrons as sodium

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter