In a physical change, the chemical composition of the matter changes, not just the matter's physical properties. true or false

Using the periodic table, complete the table to describe each atom. type in your answers

In general metals get as you move from left to right across the periodic table.

A20 liter cylinder of helium at a pressure of 150 atm and a temperature of 27°c is used to fill a balloon at 1.00 atm and 37°c. what is the volume of the balloon? a. 0.14 liters b. 3000 liters c. 2900 liters d. 2400 liters e. 3100 liters