An atom 17 protons, 17 electrons and 18 neutrons has a ma...
An atom 17 protons, 17 electrons and 18 neutrons has a mass number of
17
18
34
35
52
Correct answer is D
No explanation has been provided for this answer.
The enzyme used in the hydrolysis of starch to dextrin and maltose is? ...
The scale formation in a kinetic used for boiling water is caused by the presence in water of? ...
Which of the following substances with the corresponding pH value is an alkali? Substance pH ...
An elements used in production of matches is ...
How many moles of CO2 contains 16g of Oxygen? ...