Observable matter makes up about what percentage of the universe? 5% 10% 50% 95%

What is the density of hydrogen sulfide (h2s) ?

If a chlorine atom gains or loses a valence electron, it becomes a charged particle called a/an ___ A. Flourine B. Chloride atom C. Ion D. Neutron

A charged atom is called an

Land features, such as Palo Duro Canyon in Texas, are shaped by the gradual wearing away due to Question 5 options: gravity. faulting. water erosion. mountain building.

What is the average atomic mass of an element with isotopes a b and c?

Silver chromate is sparingly soluble in aqueous solutions. the ksp of ag2cro4 is 1.12 * 10-12 m3. what is the solubility (in mol/l) of silver chromate

What do you think 1,5-pentanedithiol C5H12S would smell like

If an atom has sp hybridization in a molecule: the maximum number of σ bonds that the atom can form is

What is an oxidizing agent?

In times of hot dry weather some cities ban the use of garden sprinklers why do you think there is such a rule