Question

Valencies of first 10 elements :

Answer 1

Answer:

1) Hydrogen (H)

Valency : +- 1 , Valence electrons : 1

2) Helium (He)

Valency : 0 , Valence electrons : 2

3) Lithium (Li)

Valency : +1 , Valence electrons : 1

4) Beryllium (Be)

Valency : +2 , Valence electrons : 2

5) Boron (B)

Valency : +3 , Valence electrons : 3

6) Carbon (C)

Valency : 4 , Valence electrons : 4

7) Nitrogen (N)

Valency: -3 , Valence electrons : 5

8) Oxygen (O)

Valency: -2 , Valence electrons : 6

9) Fluorine (F)

Valency: -1 , Valence electrons : 7

10) Neon (Ne)

Valency: 0 Valence electrons : 8

Answer 2

$\mathfrak{dear\:user}$

$\mathfrak{question-Valencies \: \:of \:first \:10 \:elements :}$

$\mathfrak{here\:is\;the \:solution}$

$\mathbb{ANSWER}$

$\begin{array}{| c | c | c |}\cline{1-3} \bf Atomic\:No. & \bf Elements & \bf Valency \\ \cline{1-3} 1 &\sf Hydrogen & 1 \\ \cline{1-3} 2 &\sf Helium & 0 \\ \cline{1-3} 3 &\sf Lithium & 1 \\ \cline{1-3} 4 &\sf Berrylium & 2 \\ \cline{1-3} 5 &\sf Boron & 3 \\ \cline{1-3} 6 &\sf Carbon & 4 \\ \cline{1-3} 7 &\sf Nitrogen & 3 \\ \cline{1-3} 8 &\sf Oxygen & 2 \\ \cline{1-3} 9 &\sf Flourine & 1 \\ \cline{1-3} 10 &\sf Neon & 0 \\ \cline{1-3}\end{array}$

$\mathbb{EXTRA\:INFORMATION}$

$\begin{array}{| c | c | }\cline{1-2} \bf Atomic\:No. & \bf Elements \\ \cline{1-2} 1 &\sf Hydrogen \\ \cline{1-2} 2 &\sf Helium \\ \cline{1-2}\ 3 &\sf Lithium \\ \cline{1-2} 4 &\sf Berrylium \\ \cline{1-2} 5 &\sf Boron \\ \cline{1-2} 6& \sf Carbon \\ \cline{1-2} 7 &\sf Nitrogen \\ \cline{1-2} \sf 7 &Oxygen \\ \cline{1-2} 9&\sf Flourine \\ \cline{1-2} 10 &\sf Neon \\ \cline{1-2}\end{array}$

$\begin{array}{| c | c | c |}\cline{1-3} \bf Atomic\:No. & \bf Elements & \bf symbol \\ \cline{1-3} 1 &\sf Hydrogen &H\\ \cline{1-3} 2 &\sf Helium & He \\ \cline{1-3} 3 &\sf Lithium & Li \\ \cline{1-3} 4 &\sf Berrylium & Be\\ \cline{1-3} 5 &\sf Boron & B \\ \cline{1-3} 6 &\sf Carbon & C \\ \cline{1-3} 7 &\sf Nitrogen & N \\ \cline{1-3} 8 &\sf Oxygen & O \\ \cline{1-3} 9 &\sf Flourine & F \\ \cline{1-3} 10 &\sf Neon & Ne\\ \cline{1-3}\end{array}$

$\begin{array}{| c | c | c |}\cline{1-3} \bf Atomic\:No. & \bf Elements & \bf Atomic weight \\ \cline{1-3} 1 &\sf Hydrogen & 1 \\ \cline{1-3} 2 &\sf Helium & 4 \\ \cline{1-3} 3 &\sf Lithium & 6 \\ \cline{1-3} 4 &\sf Berrylium & 9\\ \cline{1-3} 5 &\sf Boron & 11 \\ \cline{1-3} 6 &\sf Carbon & 12 \\ \cline{1-3} 7 &\sf Nitrogen & 14 \\ \cline{1-3} 8 &\sf Oxygen & 16 \\ \cline{1-3} 9 &\sf Flourine & 19 \\ \cline{1-3} 10 &\sf Neon & 20 \\ \cline{1-3}\end{array}$

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