Why are elements with high electron affinities also the most electronegative?

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

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical