ange columns Period)
fondin Wrepresenten lydrogen
-t/move nucleus . egative charge ledtron
د زده است و
با اعمال کیا اور اس میں سے کون می elements اور ان کے آatomic numbe اولی نوٹ بک میں لکھے۔
londomu pridelave -
Instruction: Write the Symbol and the atomic numbers of the following elements
Element
Symbol
Atomic number
Hydrogen
Helium
Lithium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Neon
Sodium
Magnesium
Aluminum
Silicon
Answers
Answered by
1
Answer:
H. ...1
He....2
Li.....3
Be....4
B....5
C......6
N....7
O.....8
F.....9
Ne. ...10
Na.....11
Mg....12
Al...13
/Si....14
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