Water is a compound because it A. cannot be broken down into simpler substances. B. always has two hydrogen atoms for each oxygen atom. C. is made of water atoms joined together. D. both a and b

How does the nucleus of a copper atom compare to the nucleus ofa nickle atom?

He output voltage and current of a transformer are determined by the

A solution that has a high concentration of hydrogen ions has what type of pH? A:2 B:7 C:13 D:14

Questions for 1.21 physics lab report

What is the difference between a continuous spectrum and a dis?

Why does water in hot springs always remain hot? Why doesn't it's thermal energy spread out?

True or false All forces are different; each exerts a particular type of effect on a object

The Yerkes refracting telescope has a 1.00 m diameter objective lens of focal length 20.0 m. Assume it is used with an eyepiece of focal length 2.50 cm. (a) Determine the angular magnification of the planet Mars through this telescope.

A small kid sits on a bike (Anita). A bigger and stronger person (Jamy) pushing the kid so that the kid starts speeding up. (neglect friction). Mark all correct statements about the forces between them. A.

A ___ is awarded to the opposing team when that team violently or dangerously charges a opponent. (in soccer) A) Goalie kick B) Indirect kick C) Direct kick D) Throw in