Question

Fill in the blanks

a. _______discovered the cathode rays.

b. _______classified elements systematically in a table called modern periodic table.

c. Carbon dioxide when passed over heated coke is reduced to_______.

d. ______established the basic structure of carbon monoxide.

e. _____are atoms of the same element having the same atomic number but different

mass number.

f. A mixture of 5% carbon dioxide and 95% oxygen is known as____. carbon monoxide.​

Answer 1

1) Plücker

2) Mendeleev

3) carbon monoxide

5) isotopes

6) Carbogen

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