What is ionic bonding? give examples

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

Abathtub is half full of warm water. how could the thermal energy of the water be increased? check all that apply.

Suppose you stand with one foot on ceramic flooring and one on a wool carpet, making contact over an area of 76.0 cm2 with each foot. both the ceramic and the carpet are 2.50 cm thick and are 10.0°c on their bottoms. at what rate in watts must each foot supply heat to keep the top