Equal amounts of four gases are placed in identical containers at the temperatures that are noted below.

samples of gases at different temperatures
gas
temperature (°c)
p
10.2
q
25.4
r
25.9
s
33.2

molecules of which gas would exert the greatest collision force?

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine