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Question
Name two elements in Alkali metals.
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Solution
Sodium and potassium.
RELATED QUESTIONS
How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?
What is the usual number of valence electrons in the atoms of the last element in a period?
How does the electronic configuration of an atom relate to its position in the modern periodic table?
Give the symbol and valency of the following element and radical.
Carbonate
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
What are the periods in a periodic table?
Elements in the modern periodic table are arranged in ______groups and______ periods.
Which of the following elements will form an acidic oxide?
A part of modern periodic table is given below. On its basis, answer the following questions:
| Group No. → | 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period ↓ | ||||||||
| 2 | A | B | ||||||
| 3 | E | D | F | C |
Write the molecular formula of the compound formed by the combination:
E and B
Name the metalloids in the first twenty elements.
