If all three metals were exposed to extremely high temperatures, which would be the last to melt?

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Determine the reaction and balance the following equations urgent due in the morning