In an electron dot diagram, two pairs of shared electrons represents a?

Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1

Which element would mostly likely have an electron affinity measuring closest to zero

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.