DETERMINA EL CALOR ESPECÍFICO DE DOS
MATERIALES SOLIDOS, CADA
UNO DE ELLOS MIDE 2 GR Y
LOS CALIENTAN DE 20°C a
30°C. LA ENERGIA EN FORMA
DE CALOR PARA QUE ESO SE
REQUIERE ES MATERIAL A 2.20
CAL Y MATERIAL B 1.86 CAL

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

they are made of gases.

they have a spherical shape.

they make energy through fusion.

hurricanes form in warm water