Which of the following elements will form positive ions? Check all that apply.
Na
N
Cu
Br

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

What state of matter is ice a. liquid b. element c. solid d. gas