Q: Q: What is the number of protons in the nucleus? A:

OPTIONS:
- element
- metallic number
- atomic mass
- atomic number

A: atomic number

input: OPTIONS:
- nucleus
- electron shell
- atomic orbit
- bond axis Now, answer this question: Q: Single bonds allow the atoms they join to rotate freely about the what? A:
A:
output: bond axis

Q: How many naturally occurring elements are known on earth? A:

OPTIONS:
- 85
- 60
- 87
- 90

Answer: 90

Problem: OPTIONS:
- valve
- cartilage
- cysts
- septum
Q: Q: What term refers to a wall or partition that divides the heart into chambers? A:
Answer: septum

Problem:OPTIONS:
- somewhat low
- somewhat high
- extremely low
- extremely high

Q: Are thunderstorms more likely where the ground temperatures are extremely high or extremely low? A:
****
A: extremely high

Problem:OPTIONS:
- solution
- transformation
- variating
- transition

Q: What kind of metals have perplexing patterns of electron distribution that don't always follow the electron filling rules? A:
****
A:
transition