Answer:
no answer
Explanation:
because he knew that eventually other elements would be discovered to fit into those spaces. The elements in the same group or column have similar properties.
Noble gases are the elements located in the eighth group of the periodic table. These elements have the following properties:
They are odorless
They have single atoms (monoatomic)
They are colorless
They have very low chemical reactivity
The naturally occurring noble gases are helium, neon, argon, krypton, xenon and radon.
It is true because the sun rays hit towards the equator creating warm temperatures near the equator then the poles
Answer:
c
Explanation:
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80. Ionic
81. Covalent
82. Metallic
83. Covalent
84. Metallic
85. Covalent
86. Ionic
