Question 21 of 25
Which statement best describes one way that molecules differ from atoms?
A...
Question 21 of 25
Which statement best describes one way that molecules differ from atoms?
A. A molecule can contain two atoms of the same element.
B. Only a molecule can be the smallest particle of a certain element.
C. Only a molecule can be broken down into two or more different
elements.
D. A molecule can contain a nucleus about which its electrons orbit.
SUBM
Answer is A
Answers: 2
Physics, 21.06.2019 21:30, galaxyworld36
Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?
Answers: 2
Physics, 22.06.2019 11:00, tdahna0403
Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •
Answers: 2
Physics, 22.06.2019 11:30, alupton4887
Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?
Answers: 3
Physics, 22.06.2019 15:10, maudiejane
An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?
Answers: 2
Mathematics, 04.11.2019 23:31