ACTIVITY 2. Drection: Choose the letter of the best
answer. Write the chosen letter on a separate sheet of
paper.
1. Who was the scientist credited with devising the first
periodic table similar with the one we use today?
A. John Dalton C. Gregor Mendel
B. Dmitri Mendeleev D. Emest Rutherford
2. Whose work led to a periodic table based on
increasing atomic number?
A. Henry Moseley C. Ernest Rutherford
B. Dmitri Mendeleev D. Neils Bohr
3. Who classified the known elements into eight
groups
A. John Newlands C. Lothar Meyer
B. Dmitri Mendeleev D. Erwin Schrodinger
IV.LEARNING PHASE suggested Timeframe learning Activities
4.Who created the period table and how is it organized?
5.Who discovered the noble gases neon,krypton and xenon?
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