Suomi 1
Select the correct answer.
A wave Is Incident on the surface of a mirror at an angle of 41° with the normal. What can you say about its angle of reflection?
ОА.
It is less than the angle of Incidence.
ОВ.
It is equal to the angle of Incidence.
O c.
It is greater than the angle of incidence.
It is zero, as It reflects along the normal.
OD.
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Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

Using the periodic table, complete the table to describe each atom. type in your answers

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?