100 Level Department of Science Laboratory Technology exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
a. Briefly explain hydrogen spectrum and draw the energy level diagram of hydrogen atom.
b. Define the following terms:
i. Isotopes
ii. Atomic and mass number
iii. Bond energy
iv. Octet rule
c. Define periodic table and draw the table showing the position of the first twenty elements.
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