A helium balloon with an internal pressure of 1atm and a volume of 4.20 L at 18.0°C is released. What volume will the balloon occupy at an altitude where the pressure is 0.500 atm and temperature is -10.0°C?

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

The element that has the greatest electronegativity is

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring