atomic number 17
atomic number 18
mass number 35
mass number 52
Correct answer is A
No explanation has been provided for this answer.
The Avogadro number of 24g of magnesium is the same as that of ...
The major and most effective way of controlling pollution is to ...
Chlorine gas is commonly used in the production of which of the following industrial compounds? ...
Which of the following equations represents a redox reaction? ...
Which of the following represents a precipitation reaction? ...
Hydrogen is used in oxy-hydrogen flames for melting metals because it ...
Which of the following is a common laboratory indicator for bases? ...
What is the change in the oxidation number of phosphorus in the following reaction? 4P(s) + 5O2(a...