What are the characteristics distinguishes helium (He) from the other noble gases

A. Helium has two valence electrons

B. Helium has a milky-white color

C. Helium has a strong odor

D. Helium is highly reactive

A 24 volt doorbell carries a current of 1/2 ampere. Calculate the resistance in the bell 1. 2. 3.

An airplane increases its speed from 100 m/s to 160 m/s, at the average rate of 15 m/s2. How much time does it take for the complete increase in speed? 00577s O 40s O 0.25s O 17.3s

What is the primary energy that powers a car

What is the general term for a rock fragment present in a sedimentary rock?

Which material that was formerly on the bottom of lake bonneville is most likely exposed on the land surface today

Is momentum conserved in the collision?

Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin?

In a laboratory, you determine that the density of a certain solid is 5.23*10-6kg/mm3. Convert this density into kilograms per cubic meters.

List the solar objects in correct order from the Sun. Venus Earth Mercury Saturn Neptune Mars Jupiter Asteroid Belt The Sun Uranus

The power exerted by a muscle is the product of the force exerted and the velocity of contraction. The area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?