What is an ionic bond?
An ionic bond is a bond formed between a metal and a nonmental via the transfer of electrons from the atom of less electronegativity to the atom of greater electronegativity.
What is the mass number of an element?
The mass number of an element is the sum of the protons and neutrons in its nucleus.
How are eukaryotes and prokaryotes different?
Prokaryotes are unicellular (containing one cell), contain no membrane-bound organelles, lack a nucleus, and contain DNA on a circular chromosome. Eukaryotes are multicellular and much bigger than prokaryotes, contain membrane-bound organelles, have a nucleus and contain DNA on multiple linear chromosomes. Examples of prokaryotes are bacteria and archaea. Examples of eukaryotes are plants and animals.
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