In the design a thermos lab, you compared the temperature of your thermos with a container that you did not insulate. what was the container for?

When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other

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

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal