4 physical properties of lanthanum

Marissa is learning about the unique properties of waves. She has learned that whenever the wavelength of a wave increases, the frequency of the wave decreases.

What does OC mean internet slang? I see it all the time on funny junk, like OC this is OC, What is it? 5 stars for best answer.

In the laboratory you dissolve 15.9 g of barium chloride in a volumetric flask and add water to a total volume of 375 ml. what is the molarity of the solution

What is the independent variable in patty experiment

Which shows the electron configuration for zinc (zn) ?

He substance, cocl2, is useful as a humidity indicator because it changes from pale blue to pink as it gains water from moist air. What is its name?

The weighted average atomic mass of an element depends upon the a. relative abundance of protons in the element b. mass and relative abundance of each isotope of that element c. mass and relative abundance of each neutron of that element d.

What part of an atom do we change for isotopes

The Safe Drinking Water Act (SDWA) sets a limit for mercury-a toxin to the central nervous system-at 0.002 mg/L. Water suppliers must periodically test their water to ensure that mercury levels do not exceed 0.002 mg/L.

The smallest unit of an element is a blank