When does radioactive decay occur?

A. when an atom gains electrons

B. when neutrons accumulate in the nucleus

C. when an atom loses electrons

D. when the nucleus decays

This is used to carry oxygen and nutrients to the cells in the body and carry carbon dioxide and wastes away from the cells.

Which Quantity is a vector Quantity? A] Acceleration B] Mass C] Speed D] Volume

Strontium has density of 2.64 g/cm3 and crystallizes with the face-centered cubic unit cell. part a calculate the radius of a strontium atom.

A 5000-km long cable consists of seven copper wires, each of diameter 0.85 mm, bundled together and surrounded by an insulating sheath. Calculate the resistance of the cable. Use 3x10^-6 cm.Ω for the resistivity of the copper.

What is a substance that is made up of a single kind of atom

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

Formulas (equations) : A = 3x and B = 5x + 1 As x increases, does A or B go up faster? if x=0, then A=? if x=1 then B=?

Sound travels 2146 m through a material in 1.4 seconds. What is the material?

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time