Advertisements
Advertisements
Question
The molecular formula of the chloride of element X is XCl. This compound is a solid having a high melting point. Which of the following elements be present in the same group as X.
Options
Na
Mg
Al
Si
Solution
Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. An element to be present in the same group as X is Na.
APPEARS IN
RELATED QUESTIONS
Rewrite the following statement after correction, if necessary:
Isotopes are the elements of the same group.
An element X is in group 2 of the periodic table what will be the formula of its oxide?
The element X forms a compound X2Y. Suggest an element that Y might be and give reasons for your choice.
An element X from group 2 reacts with element Y from group 16 of the periodic table.
(a) What is the formula of the compound formed?
(b) What is the nature of bond in the compound formed?
An element A from group 14 of the periodic table combines with an element B from group 16.
(i) What type of chemical bond is formed?
(ii) Give the formula of the compound formed.
Two elements X and Y belong to group 1 and 2 respectively in the same period of periodic table. Compare them with respect to:
(i) the number of valence electrons in their atoms
(ii) their valencies
(iii) metallic character
(iv) the sizes of their atoms
(v) the formulae of their oxides
(vi) the formulae of their chlorides
Alkaline earth metals have valency 2. This means that their position in the modern periodic table is in ______.
(a) How is possible valency of an element determined from the electronic configuration of its atom ?
(b) Determine the valency of an element X whose atomic number is 15.
Classify the following elements into Metals and Nonmetals.
S, Mg, Al, P, N, Na.
Among the given species A–, A+, and A, the smallest one in size is ______.
Moseley’s periodic table is based on atomic mass.
An atom of an element has the electronic configuration 2,8,2. To which group does it belong?
The elements A, B, and C belong to groups 1, 14, and 17 respectively of the Periodic Table. Which two elements will form ionic compounds?
An element X combines with oxygen to form an oxide XO. This oxide is electrically conducting. Write the formula of the compound formed when X reacts with chlorine.
The elements of group 16 are called ______
Which type of elements are poor conductors of heat and electricity?
How are elements grouped into various families in the periodic table?
Element 'X' forms an oxide with the formula X2O3 which is a solid with high melting point. ‘X’ would most likely be placed in the group of the Periodic Table as:
Justify. Element 'X' forms an oxide with the formula X2O3 which is a solid with a high melting point. ‘X’ would most likely be placed in the group of the Periodic Table as Al.
