Q: What ear structure has three fluid filled ducts, including the organ of corti, where sound waves in air go to vibration? Choices: - semicirciular canal - saccule - utricle - cochlea A:
cochlea

Q: Oxides of small, highly charged ions of what type tend to be acidic? Choices: - liquid - steel - plastic - metal A:
metal

Q: Q: What is the largest planet in the solar system? Choices: - saturn - mars - pluto - jupiter A:
A: jupiter

Question: Q: According to the octet rule, magnesium is unstable because its valence shell has just two of what? Choices: - quarks - neutrons - protons - electrons A:
Answer: electrons

*Question*
Q: As the atoms approach one another, their electron clouds gradually begin to do what? Choices: - magnetize - shrink - disappear - overlap A:
**Answer**
overlap

*Question*
Q: What is the scale on which acidity is measured? Choices: - m - hp - g - ph A:
**Answer**
ph