The position of an element in the Periodic Table is deter...
The position of an element in the Periodic Table is determined by?
its atomic radius.
its density.
its relative atomic mass.
the number of protons in its atom.
the number of neutrons in its atoms
Correct answer is D
In the modern periodic table, the elements are listed in order of increasing atomic number.
The atomic number is the number of protons in the nucleus of an atom.
What volume of CO2 at s.t.p would be obtained by reacting trioxocarbonate (IV) with excess acid? ...
The air around a petroleum refinery is most likely to contain? ...
Which of these compounds has the greatest ionic character? ...
In which of the following reactions has the oxidation number of nitrogen increased? ...
Which of the following solutions will conduct the least amount of electricity? ...
When sugar is dissolved in tea, the reaction is always accomplished by ...
How many moles of limestone will be required to produce 5.6g of CaO? [Ca = 40, C = 12, O= 16] ...