35) 1 Gases are separated from liquid air by fractional distillation. The boiling points of four gases are shown.
Which gas is both monatomic and a liquid at -200 °C?
gas
boiling
point/°C
A
argon
-186
B
helium
-269
с
neon
-246
D
nitrogen
-196

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?