What is true of a molecule?

A) each molecule of a compound have different properties

B) all molecules of a compound have the same properties

C) all molecules of a compound have 1 type of atom

D) each atom of a molecule is the same

What is the charge of the nucleus in an atom of oxygen-17

Zinc metal can be obtained from zinc oxide ZNO by reacting the zinc oxide with the element carbon. The products of the reaction are ZN and CO2. what mass in grams of zinc oxide is needed to react completely with 5.00 mol of carbon?

There are__electrons in the covalent bond between C and O in CO.

From which orbital in a lithium atom is an electron transferred to form li?

How do the interactions that are broken in water when it is boiled compare with those broken when water is electrolyzed? Boiling water breaks intermolecular attractions and electrolysis breaks covalent bonds.

The formula for chlorine dioxide

An observation that requires measurement is called quantitative observable or qualitative

Calculate the mole fraction of each gas in a mixture of 43.6 g Xe and 36.8 g Kr. show work

Sally has collected a sample of dirt from a riverbank and wants to analyze it. Sally wants a magnified view of the dirt to try and see what it is made of. Which piece of equipment should she use?

Two chemicals a and b are combined to form a chemical c. the rate, or velocity, of the reaction is proportional to the product of the instantaneous amounts of a and b not converted to chemical c.