Question 2
Table
$\begin{matrix} Name of the element & Symbol & Number of protons & Number of neutrons & Number of electrons Oxygen & O & 8 & 8 & 8 Sulphur & S & 16 & 16 & 16 \end{matrix}$
With the help of table, find out the mass number of oxygen and sulphur atom.

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Solution

From table,
Number of protons in an oxygen atom = 8
Number of neutrons in an oxygen atom=8
Mass number of oxygen = 8+8 = 16

Number of protons in a sulphur atom = 16
Number of neutrons in a sulphur atom =16
Mass number of a sulphur atom = 16+16 = 32

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Similar questions

Q. Observe the following table:

\begin{matrix} Name of the element & Symbol & Number of protons & Number of neutrons & Number of electrons Oxygen & O & 8 & 8 & 8 Sulphur & S & 16 & 16 & 16 \end{matrix}

With the help of table, find out the mass number of oxygen and sulphur atom.

With the help of Table 4.1, find out the mass number of oxygen and sulphur atom.

Q. Question 2
Table

\begin{matrix} N a m e o f t h e e l e m e n t & S y m b o l & N u m b e r o f p r o t o n s & N u m b e r o f n e u t r o n s & N u m b e r o f e l e c t r o n s O x y g e n & O & 8 & 8 & 8 S u l p h u r & S & 16 & 16 & 16 \end{matrix}

With the help of table, find out the mass number of oxygen and sulphur atom.

Question 19
Complete the following table.
$\begin{matrix} Atomic number & Mass number & Number of neutrons & Number of protons & Number of electrons & Name of the atomic species 9 & - & 10 & - & - & - 16 & 32 & - & - & - & Sulphur - & 24 & - & 12 & - & - - & 2 & - & 1 & - & - - & 1 & 0 & 1 & 0 & - \end{matrix}$

Complete the following table.

Atomic number	Mass number	Number of Neutrons	Number of protons	Number of electrons	Name of the Atomic species
9	−	10	−	−	−
16	32	−	−	−	Sulphur
−	24	−	12	−	−
−	2	−	1	−	−
−	1	0	1	0	−

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Question 2 Table Name of the elementSymbolNumber of protonsNumber of neutronsNumber of electronsOxygenO888SulphurS161616 With the help of table, find out the mass number of oxygen and sulphur atom.

From table, Number of protons in an oxygen atom = 8 Number of neutrons in an oxygen atom=8 Mass number of oxygen = 8+8 = 16 Number of protons in a sulphur atom = 16 Number of neutrons in a sulphur atom =16 Mass number of a sulphur atom = 16+16 = 32

Question 2
Table
$\begin{matrix} Name of the element & Symbol & Number of protons & Number of neutrons & Number of electrons Oxygen & O & 8 & 8 & 8 Sulphur & S & 16 & 16 & 16 \end{matrix}$
With the help of table, find out the mass number of oxygen and sulphur atom.

From table,
Number of protons in an oxygen atom = 8
Number of neutrons in an oxygen atom=8
Mass number of oxygen = 8+8 = 16

Number of protons in a sulphur atom = 16
Number of neutrons in a sulphur atom =16
Mass number of a sulphur atom = 16+16 = 32