Describe how the reactions of lithium, sodium and potassium with water can be used to show the trend in reactivity in Group 1. Explain this trend in terms of the electronic structures of the elements.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?