A bacterial plaque sample taken from a healthy mouth would show which of the following:

Mature dental plaque can be described as:

A variety of species and quantities of bacteria can be detected in the gingival crevice and are easily associated with varying degrees of disease activity. Therefore, the presence of a highly motile bacterial population and an increase in white blood cells suggests potential for disease.

Which element will likely form an ion with a +3 charge

name the following acid: HNO3

Write the full ground state electron configuration of N+

Classify the following reaction: CaO  + CO2 -> CaCO3

What happens to a wave as wavelength increases?

name the following acid: H2SO3

Give the formula for the compound formed from magnesium ions and chlorine ions.