Groups in Modern Periodic Table
Trending Questions
Q. Which of the following elements shows properties similar to chlorine?
- Bromine
- Nitrogen
- Sulphur
- Argon
Q. Identify the common property amongst beryllium, magnesium and calcium in the modern periodic table.
- Same number of electrons in the atom.
- Same number of electrons in the outermost shell.
- Same number of shells occupied by the electrons.
- Their atomic radii is the same.
Q. An element having electronic configuration 2, 8, 7 will belong to _____ and _____ of modern periodic table.
- 3rd group & 7th period
- 17th group & 2nd period
- 7th group & 3rd period
- 17th group & 3rd period
Q.
Which of the following sets of elements do not belong to the same group?
- F, Cl, Br
- Na, K, Rb
- P, S, Cl
- C, Si, Ge
Q. The electron affinity of the elements _____ down a group.
- decreases
- increases
- remains same
- increases or decreases
Q. All the elements in the same group of the modern periodic table have the same number of valence electrons.
- True
- False
Q. The chemistry of lithium is very similar to that of magnesium even though they are placed in different groups, because:
- both are found together in nature.
- both have nearly the same size.
- the ratio of their charge to size is nearly the same.
- both have similar electronic configuration.
Q. Elements of a group have similar chemical properties.
- False
- True
Q.
All the elements in a particular group have the same ________.
Same mass number
Same number of valence electrons
Different number of valence electrons
Same number of shells
Q. How many groups and periods are there in the modern periodic table?
- 18, 8
- 18, 7
- 7, 18
- 8, 18