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Science Test Space
Class 8
Chemical bonding
The models and types of chemical bonds
2.
Match the related answers about bonds
Question:
3
m.
Match the following:
Answer variants:
\(NH^3{^+}\)
\(NH^4{^+}\)
Removal of hydrogen
Weak bond
Column I
Column II
Coordinate covalent bond
\(CaH_2\) → \(Ca\) + \(H_2\)
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