Answer:
kung math
Natural Numbers (N), (also called positive integers, counting numbers, or natural numbers); They are the numbers {1, 2, 3, 4, 5, …} Whole Numbers (W).
KUNG SCIENCE
Chemical properties of nitrogen - Health effects of nitrogen - Environmental effects of nitrogen
Atomic number 7
Density 1.25*10-3 g.cm-3 at 20°C
Melting point -210 °C
Boiling point -195.8 °C
Vanderwaals radius 0.092 nm
Explanation:
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