What is a statement that summarize a pattern found in nature without attempting to explain

How many p electrons are in the thiazoline ring of thiamine hydrochloride? of thiamine?

Which statement is true regarding a triation

Which electron configuration represents the electrons of an atom in a excited state? 1) 2-8-1 2) 2-8-6 3) 2-8-17-6 4) 2-8-18-5

In a chemical reaction, an initially neutral molecule captures two electrons. what charge will the molecule have after the reaction is complete

An object that does not transfer heat easily is a (n) : a. radiator c. insulator b. conductor d. convector

Gasoline has a density of 0.749 g/mL. How many pounds does 19.2 gallons of gasoline weigh? Use significant figures. Do not enter "pounds" as part of your answer.

Which of these changes involved a physical change and not a chemical change?

Which of the following statements is true? Running an electric current through a magnet can create a magnetic field. Electric engines change electricity into magnetism. The strength of a magnetic field increases with distance.

valancy of x is 3 while that of y is 1. write a formula of the compounds when each of the seperaty combines with oxygen

The elements that contain electrons in an F sublevel near the highest occupied energy level are referred to as? A. Alkali metals B. Alkali earth metals C. transition metals D. inner transmission levels