Which forms of matter are considered pure substances?

A elements only

B mixtures only

C compounds and mixtures

D elements and compounds

Determine the maximum number of electrons that can be found in each of the following subshells: a. 3s b. 3d c. 4p d. 4f.

The compound ClF contains Group of answer choices polar covalent bonds with partial negative charges on the Cl atoms. ionic bonds. nonpolar covalent bonds. polar covalent bonds with partial negative charges on the F atoms.

How many sublevels are contained in each of the principal energy levels?

Of the eighteen elements in the fourth period, whicha. has the largest atomic radius? b. has the smallest first ionization energy? c. has the largest electron affinity? d. has the lowest electronegativity? e. has the highest electronegativity? f.

How to draw lewis structure of HCO?

A compound is a pure substance made of 2 or more types of elements that are chemically bonded True or false

In a chemical reaction, 300 grams of reactants are combined with 100 grams of reactant b. both a and b react to completion. how much will the product weigh

If log x = - 0.761. What does x equal

Can humans can live without using natural resources.

Triangle PQR has vertices at P (-6,-4), Q (2,-10), and R (8,0). It is dilated about the origin by a scale factor of 5 to obtain triangle P′Q′R′.