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An element Z has atomic number 16. Answer the following - Chemistry

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प्रश्न

An  element Z has atomic number 16. Answer the following
(a) State the period and group to which Z belongs
(b) Is Z a metal or a non-metal?
(c) State the formula between Z and hydrogen. 
(d) what kind of a compund is this?

एक पंक्ति में उत्तर

उत्तर

An element Z having atomic number 16 is Sulphur.
a) Sulphur belongs to Period 3 and Group 16.
b)  Sulphur is a non-metal.
c) The formula between Z and hydrogen is H2S.
d) Two hydrogen atoms combine with one sulphur atom to form hydrogen sulphide (H2S) gas.

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अध्याय 1: Periodic Properties And Variation Of Properties: Physical And Chemical - Exercise 9 [पृष्ठ २४]

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फ्रैंक Chemistry - Part 2 [English] Class 10 ICSE
अध्याय 1 Periodic Properties And Variation Of Properties: Physical And Chemical
Exercise 9 | Q 1 | पृष्ठ २४

संबंधित प्रश्न

The atomic numbers of three elements A, B and C are 12, 18 and 20 respectively. State, giving reason, which two elements will show similar properties.


An element 'X' has mass number 35 and number of neutrons 18. Write atomic number and electronic configuration of 'X'. Also write group number, period number and valency of 'X'.


Consider two elements 'X' (Atomic number 17) and 'Y' (Atomic number 20)

(i) Write the positions of these elements in the modern periodic table giving justification.

(ii) Write the formula of the compound formed by the combination of 'X' and 'Y'.

(iii) Draw the electron-dot structure of the compound formed and state the nature of the bond formed between the two elements ?


For each of the following triads, name the element with the characteristics specified below:

Elements Least atomic radius Chemically least reactive
(i) F, Cl, Br
(ii) Li, Na, K
....................
....................
....................
....................

 


Which one of the following does not increase while moving down the group of the periodic table?


Name two elements you would expect to show chemical reactions similar to calcium. What is the basis of your choice?


Name the element which has the electronic configuration 2, 8, 3?


The elements of one short period of the periodic table are given below in order from left to right: 

Li Be B C O F Ne

Place the three elements fluorine, beryllium and nitrogen in the order of increasing electronegativity


(a) Fill in the blanks and rewrite the completed statements: 

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

(ii) Very fine particles mainly scatter ______ light.


Name or state following with reference to the element of the first three periods of the periodic table.

The valency of elements in group 1 [I–A].


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