Time that is measured in definite periods such as minutes, day, and years is called

What is the most important matter on science?!!

In which type of chemical reaction are electrons transferred? 1) organic addition 2) oxidation-reduction 3) double replacement 4) acid-base neutralization

The most stable conformation of trans-1-tert-butyl-2-methylcyclohexane is the one in which:

Which best describes a reaction in a state of equilibrium? A. The rates of the forward and reverse reactions are zero and the concentrations of products and reactants are equal. B.

The question is explain how each of the following change as you travel across the spectrum - wavelength, frequency and energy

Move deep below the ocean's surface

The Ka of an acid is 1.3 x 10^-7. Based on the Ka and its relationship with Kw, what is the value of Kb? Use KaKb=Kw 1.3 x 10^-21 7.7 x 10^-15 1.3 x 10^-14 7.7 x 10^-8

A covalent bond is best described as Question 1 options: the sharing of electrons between atoms. the transfer of electrons. a bond between a metal and a nonmetal. a bond between a metal and a polyatomic ion.

From the list below, choose which groups are part of the periodic table

Gypsum is a mineral that is used in the construction industry to make drywall (sheetrock). The chemical formula for this hydrated compound is CaS04 • 2H20. A hydrated compound contains water molecules within its crystalline structure.