5. An average human hair is approximately 90,000 nm thick. How many cm is that? (1 cm = 1x10^7 nm) • 9 x 1011 cm
• 9 x 1012 cm
• 9,000 cm
• 0.009 cm

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Which element is the least metallic between cadmium, silver, zinc, or iron?

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?