If you have an element with 46 protons and 44 electrons, the net charge of the element is a. 0 b. +2 c. -2 d. not enough information

What is the independent variable in this investigation? mass volume sample number substance density

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Explain what happens at the saturation point when adding salt to water at room temperature.