Ejemplos de caída libre en la vida cotidiana

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point