Questions and Guide Answers
100% Verified Graded A+
1. Protons
Answer: defines the element; positive charge; equal to the atomic number
2. Neutrons
Answer: equal to mass number-number of protons; neutral charge
3. Electrons
Answer: negative charge; dependent on the charge of the atom
4. Cations
Answer: Positively charged ions
5. Anions
Answer: Negatively charged ions
6. Isotopes
Answer: when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22`
, 7. What was believed until the beginning of the 20th century?
Answer: That all physical
phenomena were deterministic
8. Light
Answer: Form of electromagnetic radiation
9. What is electromagnetic radiation composed of?
Answer: perpendicular oscillating waves, one for
the magnetic field and one for the electric field
10. Speed of light constant
Answer: 3.00*10^8 m/s or 3.00*10^17 nm/s
11. Quantum number n
Answer: size, n>1
12. Quantum number l
Answer: shape, l=0 to (n-1)
13. Quantum number ml
Answer: orientation, -l to +l
14. s orbital
Answer: l=0, 1 orbital
15. p orbital