The formula K2S indicates that

What is the frequency of radiation whose wavelength is 0.84 nm? express the frequency in inverse seconds to three significant digits?

Substances formed from atoms of two or more elements are called

Humans can walk at an average speed of 2.00 m/s. How many hours would it take someone to walk the 4800 km from New York to Los Angeles?

The decomposition of water into hydrogen gas h2 and oxygen gas o2 can be moldled by the balanced chemical equation

Un proyectil es disparado horizontalmente con una angulo de tiro de 30 grados y una velocidad inicial de 850 metros por segundo.

Explain how a scientist could change a substance's pH from A. An acid to a neutral. B. A base to a neutral C. Create a salt

What could be put into the center section of this Venn diagram?

You are jumping on a trampoline and it occurs to you that energy is being transferred as you bounce. ( ... sounds like your usual thoughts, doesn't it?) You realize that sometimes you do work on the trampoline and sometimes it does work on you.

What is the weight of atmosphere on Earth?

The noble gases are the least what of any elements on the periodic table