Question

$\begin{tabular}{c | l}$

$Atomic Number & Element$

$\cline{1-2}$

$1 & Hydrogen$

$2 & Helium$

$3 & Lithium$

$4 & Beryllium$

$5 & Boron$

$6 & Carbon$

$\end{tabular}$​

Answer 1

Answer:

Atomic no of

H = 1

He = 2

Li = 3

Be = 4

B = 5

C = 6

Answer 2

Answer:

Given : -

$\begin{tabular}{c | l}</p><p></p><p>Atomic Number & Element \\</p><p></p><p>\cline{1-2}</p><p></p><p>1 & Hydrogen \\</p><p></p><p>2 & Helium \\</p><p></p><p>3 & Lithium \\</p><p></p><p>4 & Beryllium \\</p><p></p><p>5 & Boron \\</p><p></p><p>6 & ?\\</p><p></p><p>\end{tabular}$

Answer : -

$\begin{tabular}{c | l}</p><p></p><p>Atomic Number & Element \\</p><p></p><p>\cline{1-2}</p><p></p><p>1 & Hydrogen \\</p><p></p><p>2 & Helium \\</p><p></p><p>3 & Lithium \\</p><p></p><p>4 & Beryllium \\</p><p></p><p>5 & Boron \\</p><p></p><p>6 & Carbon\\</p><p></p><p>\end{tabular}$

Explanation:

More information : -

Hydrogen : -

• Hydrogen is an element, usually in the form of a gas, that consists of one proton and one electron.

Helium : -

• Helium is an element, usually in the form of a gas, that consists of a nucleus of two protons and two neutrons surrounded by two electrons.

Lithium : -

• Lithium carbonate is a common treatment of bipolar disorder, helping to stabilize wild mood swings caused by the illness.

Beryllium : -

• Beryllium is a chemical element.It is a steel-gray metal that is quite brittle at room temperature.It is used for producing beryllium copper.

Boron : -

• boron is a metalloid among the three metalloids germanium,boron and silicon.

Carbon : -

• Carbon is a chemical substance which is found in all things either be living or non living.