Explain the observed pattern of how the sizes and charges of Atoms change with the addition and subtraction of electrons

What is the rms speed of cesium atoms that have been cooled to a temperature of 100 nk?

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.

Which of the following is most likely true about water in chemical solutions?