Groups and Periods (Mendeleev's)
Trending Questions
Q. All the elements in a period of a modern periodic table have the same ___ ___
- Valence shell
- Valence electrons
- Atomic number
- Mass number
Q. From top to bottom in any group of the periodic table the electropositive character of the element:
- Increases
- Decreases
- Remains unchanged
- Changes irregularly
Q. How we place elements on periodic table??
Q.
If an element has seven electrons in its outermost shell then it is likely to have the …………….. (largest / smallest) atomic size among all the elements in the same period.
Q.
Which of the following gives the correct increasing order of atomic radii of O, F, and N?
O, F, N
N, F, O
O, N, F
F, O, N
