Which of the following statements is NOT true? A. Covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. B. Covalent bonds occur between nonmetals. C. Covalent compounds have low melting and boiling points. D. Covalent compounds are often gases or liquids.

Compare these two waves : a. the blue wave has a higher pitch, but the orange wave is louder. b.the blue and orange waves have the same volume, but the blue wave has a higher pitch. c.the blue and orange waves have the same pitch, but the blue wave is louder. d.the orange wave has a higher pitch, but the blue wave is louder.

The modern periodic table has groups.

Drag each number to the correct location on the equation. each number can be used more than once, but not all numbers will be used. balance the equation with the coefficients. 2 3 4 5 kclo3 -> kcl + o2