13. An atom has 8 protons, 8 electrons, and 7 neutrons. What is the charge of the atom and what type of ion is it?

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.

All motion is caused by force? true or false