High conductivity of metals is caused by electrons that are free to move through the lattice.
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Elements are substances that contain only 1 kind of atom.
Answer:
"nonmetal, nonmetal"
Explanation:
Oxygen is a non metal and Nitrogen is a non metal. It is 8th element of the periodic table. It is located in period 2 and group 16.
Nitrogen lies at the group 15 of the periodic table. Its atomic no is 7. Its valency is 2.
Hence, the correct option is (c) "nonmetal, nonmetal".
The ribosomes are the ones delivering the products of the endoplasmic reticulum
