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NBDHE Practice Questions with 100% Correct Answers 2023
NBDHE Practice
NBDHE Practice
The x-ray was discovered by a. Heinrich Geissler b. Wilhelm Roentgen c. Johann Hittorf d. William Crookes - Correct answer-Wilhelm Roentgen Which discovery was the precursor to the discovery of x-rays? A. Beta particles B. Alpha particles C. Cathode rays D. Radioactive materials - Correct answer-Cathode rays Which term describes two or more atoms that are joined by a chemical bond? a. ion b. ion pair c. molecule d. proton - Correct answer-Molecule Which is not a type of particulat...
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