This is the ratio of gas speeds for He to H2? O 21/2 m/s
O 2 m/s
O 1/21/2 m/s
O 1/2 m/s

the correct answer is answer a. a mixture

no other options make sense

hope this

have a great day : )

  - sprinkles

indium, and thallium have three electrons i think

plasma is the state of matter where the substance is ionized and has no definite shape or volume. the fact of being ionized makes the substance a good electrical conductor.

b. is the answer hoped i