Which of these elements is least likely to react with other elements

A. calcium

B. Argon

C. sodium

D. Nitrogen

E. Oxygen

F. Chlorine

Which SI unit indicates the mass on an average sized cereal box

If you weigh 665 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 18.0 km? Take the mass of the sun to be ms = 1.99*10^30 kg, the gravitational constant to be G = 6.

How does resonance occur when you play a horn?

Definition of velocity in your own words?

The last page of a book is numbered 764. The book is 3.0 cm thick, not including its covers. What is the average thickness (in centimeters) of a page in the book, rounded to the proper number of significant figures?

A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.5 x 10 exponent 5 kg, its speed is 27.0 m/s and the net braking force is 4.30 x 10 exponent 5 N, (A) what id its speed 7.

What is matter in context clues

The metallic elements which all react in water are found in the: same group same period rare earth elements

How much work is required to move a box 5 meters across the floor with a force of 15N?

Why have plants in the alpine biome adapted to survive on limited nutrients?