An atom of an element X gains two electrons. The symbol o...
An atom of an element X gains two electrons. The symbol of the ion formed is
X +
X 2+
X 2-
X -
Correct answer is C
X gained two electrons. X = 2-.
The ion formed is X2−.
What is the major product formed when C2H5OH reacts with CH3COOH?...
What is the molar mass of an alkyne with the formula Cx H 14? (H = 1, C = 12)...
In the reaction C + 2HNO3 → CO2 + NO2 + NO + H2O nitric acid is acting as?...
Neutral atoms of neon with atomic number 10 have the same number of electron as ...
The monomer of polythene is ...
Sea shells contain mainly CaCO 3. Calcium oxide can be prepared from sea shells by...
Consider the following elements and their electronic configurations W: 1s22s2 X: 1s 22s22p6 Y: 1s...