The electron configuration of an atom is 1s² 2s² 2p⁶. The number of electrons in the atom is.

If i got an 1040 on my psat, what are the chances of being able to get a 1400 on the sat. and are there any recommended ways to study.

Ppcc assigned a story board on eg.ppcc.edu about a post-apocalyptic world called the books of wisdom. i was wondering if anyone had any advice on how to do well. also is there a way to change you name?

The chart below matches messenger rna codons with amino acids. a dna strand has the sequence of bases, aat. according to the chart, the corresponding messenger rna codes for which amino acid?