Explanation:
Bella is right
Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases.
Answer:
Al2O3
Explanation:
Al2O3 has an ionic bond because the bonds between them are very strong
The periodic table is named as such as it is split into groups with the same number of electrons in the outer shell. These groups can also be called periods which is where the table gets its name from.