Q: Polymers, ceramics, adhesives, coatings, and liquid crystals are examples of materials recently discovered or developed by what type of scientists? A:

OPTIONS:
- material scientists
- engineers
- geologists
- chemists

Answer: chemists

Problem: OPTIONS:
- plasma
- water
- metal
- liquid
Q: Q: Which state of matter has an intermediate level of entropy between solid and gas? A:
Answer: liquid

Problem:OPTIONS:
- gold
- seawater
- iron
- salt

Q: Sodium and chlorine combine to make what? A:
****
A: salt

Q: On the atomic level, the dissolution of an ionic compound occurs when water interacts with the what in the crystal lattice? A:
OPTIONS:
- atoms
- fractals
- particles
- ions
ions

Q: The speed of an electromagnetic wave is the product of its wavelength and what else? A:
OPTIONS:
- height
- resonance
- density
- frequency

Answer: frequency

input with options: Q: What element is typically used to shield things from gamma rays? A:
OPTIONS:
- gold
- silver
- aluminum
- lead
output:
lead