(Q).
Q: Amines are weak bases due to the presence of a lone pair of what on the nitrogen atom? Choices: - protons - nuclei - atoms - electrons A:
(A).
electrons

(Q).
Q: Light emitted by atoms is polychromaticcontaining more than one of these? Choices: - gravity - filter - weight - wavelength A:
(A).
wavelength

(Q).
Q: What is another term for nearsightedness? Choices: - hypoxia - astigmatism - anemia - myopia A:
(A).
myopia