Use the table below to rank the following molecules from non-polar covalent to ionic: CO2, O2, H2O, CH4, HF. Which one would be the second from the left? Types of Bonds

Bond Type Electronegativity Difference

Non-Polar Covalent less than 0.4

Polar Covalent 0.4 to 1.6

Ionic greater than 1.6

A) O2

B) CO2

C) H2O

D) CH4

Calculate the number of moles of ethane in 100 grams

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³