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प्रश्न
Right or wrong sentence.
To the left of the zig-zag line in the periodic table are the metal elements.
पर्याय
Right
Wrong
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उत्तर
The given sentence is right.
Explanation:
- Metals: Found to the left and below the zig-zag line. They make up the vast majority of the periodic table.
- Nonmetals: Found to the right and above the line.
- The Exception: Hydrogen is located on the far left (Group 1) but is a nonmetal.
APPEARS IN
संबंधित प्रश्न
How does the tendency of elements to gain electrons change as we move from left to right in a period? State the reason of this change.
What is meant by a group, in a periodic table?
Give two example of group 18 elements.
On which side of the periodic table will you find non-metals?
What is the name of those elements which divide metals and non-metals in the periodic table?
Would you place the two isotopes of chlorine, CI-35 and CI-37 in different slots because of their different atomic masses or in the same slot because their chemical properties are the same? Justify your answer.
The modern periodic table was prepared by ______.
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 number of valence electrons in the atoms of first elements in a period?
What are the periods in a periodic table? Give two characteristics of each.
Define:
Periodic table
Name two elements in each case: Lanthanides
Name the type of elements which have two electrons in the outermost orbit.
State its position in the periodic table?
Name the noble gas with 3 shells.
Give the symbol and valency of the following element and radical.
Sodium
Give the symbol and valency of the following element and radical.
Nitrate
Give the symbol and valency of the following element and radical.
Carbonate
State what is meant by the term chemical formula.
Give the chemical formula of sodium hydroxide
Give the chemical formula of sodium bicarbonate
State what the group number in the Modern Periodic Table signifies. Give a reason why elements in the same group, have similar valency and similar chemical properties.
Which of the following statements about the Modern periodic table is correct?
The d-block elements are called as ______ elements.
Find the odd one out and give its explanation.
Answer the following question in one sentence.
The modern periodic table is divided into which blocks?
Noble gases belong to______ group of the periodic table.
What are groups and periods in the modern periodic table?
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An element which is an essential constituent of all organic compounds belongs to
Which one of the following elements exhibit maximum number of valence electrons?
Arrange the following elements in the increasing order of their metallic character
| Mg, | Ca, | K, | Ge, | Ga |
Explain the position of hydrogen in the periodic table.
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 non-metals in the first twenty elements.
Name the following metal:
A metal present in period 3, group 1 of the periodic table.
Answer the following in respect of element \[\ce{_16^32S}\].
Give its formula with hydrogen.
