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Question
What are the first ten elements and sort out the metals and non metals
What are the first ten elements and sort out the metals and non metals
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Solution
Following are the atomic numbers and mass numbers of the first ten elements with their symbols:
ELEMENT
SYMBOL
ATOMIC NUMBER
ATOMIC MASS
Hydrogen
H
1
1
Helium
He
2
4
Lithium
Li
3
6.94
Beryllium
Be
4
9
Boron
B
5
10.81
Carbon
C
6
12
Nitrogen
N
7
14
Oxygen
O
8
16
Fluorine
F
9
19
Neon
Ne
10
20
Metals : Lithium, Beryllium
Non-metals: Hydrogen, Carbon, Nitrogen , Oxygen , Fluorine
Noble Elements : Helium, Neon
Metalloid: Boron
Following are the atomic numbers and mass numbers of the first ten elements with their symbols:
| ELEMENT | SYMBOL | ATOMIC NUMBER | ATOMIC MASS |
| Hydrogen | H | 1 | 1 |
| Helium | He | 2 | 4 |
| Lithium | Li | 3 | 6.94 |
| Beryllium | Be | 4 | 9 |
| Boron | B | 5 | 10.81 |
| Carbon | C | 6 | 12 |
| Nitrogen | N | 7 | 14 |
| Oxygen | O | 8 | 16 |
| Fluorine | F | 9 | 19 |
| Neon | Ne | 10 | 20 |
Metals : Lithium, Beryllium
Non-metals: Hydrogen, Carbon, Nitrogen , Oxygen , Fluorine
Noble Elements : Helium, Neon
Metalloid: Boron
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