Advertisements
Advertisements
Question
Choose the correct option
Which of the following is the correct electronic configuration of potassium?
Options
2,8,9
8,2,9
2,8,8,1
1,2,8,8
Advertisements
Solution
2,8,8,1
APPEARS IN
RELATED QUESTIONS
How many electrons are required or released by each atom in calcium oxide to attain the nearest noble gas configuration?
Why do they exist as monoatoms in molecules?
Write the formula of its (X)
sulphate
nitrate
phosphate
carbonate
hydroxide.
Give the orbital diagram of the following:
Magnesium chloride
Give the orbital diagram of the following:
Methane
Element M forms a chloride with the formula MCl2 which is solid with a high melting point. What type of bond is in MCl2. Write the formula of the compound when M combines with sulphur, oxygen, and nitrogen.
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^40_20Ca}\]
An atom X with atomic number 20 combines with atom Y with atomic number 8. Draw the dot structure for the formation of the molecule XY.
Choose the odd one out and write the reason:
