Which of the following compounds does not contain a polar Covalent bond
A) CH2 CH₂ CH₂OH
B) ozone
C)CH₂ CH (NH₂) CH₂ CH2
D) CH4 CH₂ CH₂ Ch
H2 li

Which of the following statements is not true? • a. covalent compounds have low melting and boiling points. • ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. • c. covalent bonds occur between nonmetals. • d. covalent compounds are often gases or liquids.

The boiling point of liquids is very high what does it indicate

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space