What do elements in the same group on the periodic table have in common?

Are atoms the smallest? Is there maybe, somehow a smaller thing that makes up atoms?

A.) Thermal Decomposition of 2.765 g NaHCO3 yields 1.234g of a solid Na2CO3. Calculate the theoreticial yield and percent yield of Na2CO3. B) Thermal decomposition of 2.968 g of a mixture containing NaHCO3 lost 0.453 g.

How do you determine whether a molecule is polar? select all that apply. select all that apply. determine whether the polar bonds add together to form a net dipole moment. determine if the bonds are ionic or covalent.

L waves are seismic waves that

How many covalent bonds can silicon form?

Copper (cu) is a transition element used in the making of coins. calculate the mass in grams of 0.0420

In 1864, the Solvay process was developed to make soda ash. One step in the process is represented by the balanced equation below.

A chemist must prepare of aqueous potassium permanganate working solution. He'll do this by pouring out some aqueous potassium permanganate stock solution into a graduated cylinder and diluting it with distilled water.

What is the best name for the molecule below? a compound with 10 total carbons with a double bond and the rest single bonds.

What Word means the gradual change and build up of organisms in an enviroment