Fill in the blanks:1. The formula of chloride of metal M is MCl2. The

1.	Fill in the blanks:1. The formula of chloride of metal M is MCl2. The metal M belongs to ________ group.2. ________ group in the periodic table contains elements that are all gases at room temperature.3. The arrangement of elements in a group of three is known as ________.4. The law used by Newlands to arrange elements is known as ________.5. The element eka-aluminium in Mendeleev’s periodic table is known as ________ in the modern periodic table.6. Elements showing properties of both metals and non-metals are known as ________.
Answer» Fill in the blanks: 1. The formula of chloride of metal M is MCl₂. The metal M belongs to ________ group. 2. ________ group in the periodic table contains elements that are all gases at room temperature. 3. The arrangement of elements in a group of three is known as ________. 4. The law used by Newlands to arrange elements is known as ________. 5. The element eka-aluminium in Mendeleev’s periodic table is known as ________ in the modern periodic table. 6. Elements showing properties of both metals and non-metals are known as ________.

Fill in the blanks:1. The formula of chloride of metal M is MCl2. The metal M belongs to group.2. group in the periodic table contains elements that are all gases at room temperature.3. The arrangement of elements in a group of three is known as .4. The law used by Newlands to arrange elements is known as .5. The element eka-aluminium in Mendeleev’s periodic table is known as in the modern periodic table.6. Elements showing properties of both metals and non-metals are known as .

Answer»

Fill in the blanks:

1. The formula of chloride of metal M is MCl₂. The metal M belongs to ________ group.

2. ________ group in the periodic table contains elements that are all gases at room temperature.

3. The arrangement of elements in a group of three is known as ________.

4. The law used by Newlands to arrange elements is known as ________.

5. The element eka-aluminium in Mendeleev’s periodic table is known as ________ in the modern periodic table.

6. Elements showing properties of both metals and non-metals are known as ________.