Q: How many electrons can be accommodated in the first electron shell's orbital? Choices: - none - 1 - 3 - 2 A:
2

Q: Neutron stars are the corpses of left over what? Choices: - planet explosions - gravitational explosions - stellar explosions - supernova explosions A:
supernova explosions

Q: Q: When a fluorine atom gains an electron, it becomes a negative what? Choices: - hydrogen ion - sulfide ion - potassium ion - fluoride ion A:
A: fluoride ion

Question: Q: The action of sunlight on the skin triggers the body to produce what vitamin? Choices: - Vitamin A - metabolic d - tissue d - vitamin d A:
Answer: vitamin d

*Question*
Q: What are biochemical compounds, such as fats and oils, that consist of fatty acids and store energy? Choices: - proteins - oils - tissues - lipids A:
**Answer**
lipids

Q: Q: What technology do scientists use to create models? Choices: - calculators - patterns - microscopes - computers A:
A: computers