Which best describes the mass realationships between protons, neutrons, and electrons? a) electrons and neutrons are equal is mass but protons are much larger b) protons and neutrons are relatively the same mass, whereas electrons are much lower in mass c) protons and neutrons are basically of equal mass

What phase of matter has particles that are held together but can flow past each other and takes the shape of a container, filling it from the bottom up?

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

An observation that requires measurement is called quantitative observable or qualitative