Isotopes of an element have
...Isotopes of an element have
The same number of protons but different numbers of neutrons.
The same number of neutrons and electrons
The same number of protons and neutrons
The same number of protons and electrons
Correct answer is A
Isotopes of an element have the same number of protons (which defines the element) but may have different numbers of neutrons. Since atoms are electrically neutral, the number of protons must equal the number of electrons in an atom.
In the chemical reaction A + B \(\to\) C + D, more of D is formed?...
What is the solubility of a salt X at 25ºC if the saturated solution of the salt contains 0.28g...
Which of the following CANNOT be obtained by fractional distillation of petroleum? ...
Copper and silver metals are commonly use as coin because they are ...
A major source of oxide of nitrogen is from the burning of ...
A sample of air that has been passed through caustic potash will...
In which of the following are water molecules in the most disorderly arrangement? ...
A sample of temporary hard water can be prepared in the laboratory by? ...