1.They are soluble in water but they are insoluble in non-polar solvents.
A.ionic
B.covalent
C.metallic
D.non-metallic
2.What is the maximum number of electrons in the principal energy level 2?
A.2
B.8
C.18
D.32
A.ionic
B.covalent
C.metallic
D.non-metallic
2.What is the maximum number of electrons in the principal energy level 2?
A.2
B.8
C.18
D.32
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Answer:
1) A. ionic
2) B 8 (electrions)
Explanation:
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