Answer:
the second layer of the atmosphere.
Answer:
Periodic Properties of the Elements
Atomic Radius.
Ionization Energy (ionization potential)
Electron Affinity.
Electronegativity.
Metallic Character.
Other Trends.
Redox Potentials. Oxidation Potential. Reduction Potential.
Uses in knowing the Periodic Properties of Elements
Explanation:
The characteristic that is common to acids are that they can react with active metals to produce hydrogen gas.
Answer:
It’s Photosynthesis
Explanation:
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Neon is an element and elements are pure oxygen is. Or it is a gas