En cual de los siguientes grupos de elementos de la tabla periódica se encuentran los que tienen 8 electrones en su nivel de energía mas externo?
A-metales de transición
B-metales alcalinos
C-gases nobles
D-halógenos

This drawing shows a human body system. what is the primary function of this body system?

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals

Determine type of reaction & predict the product c3h12+o2 =