The chemical properties of an atom are related to the number of its what

Example of adaptation

BF3 type of compound

How many moles are in a sample of 1.52 x 1024 atoms of mercury (Hg) ?

The first plant to grow in new environments are usually a. ferns and horsetails b. grasses c. liverworts d. mosses and ferns

What precipitate will form when aqueous solutions of sodium carbonate (na2co3) and calcium chloride (cacl2) are mixed?

Determine whether the following pairs of elements can form ionic compounds. (Ionic or Not Ionic) 1 - iron and cholrine 2 - oxygen and magnesium 3 - fluorine and sodium 4 - potassium and sulfur 5 - nitrogen and iodine 6 - lithium and calcuim

What is the scientific notation of 18? Must be a number 1<_ M <10

Why do you think there is not a periodic table of compounds? Explain with evidence.

Carbon forms a great variety of stable compounds. Which of the following is not a reason for this variety? A. Carbon can form up to four covalent bonds with other atoms. B. Carbon atoms can bond to other carbon atoms. C.

Which climate conditions are typical of regions near the North Pole and the South Pole