An electron in the 3s orbital. The order of electron orbital energy levels starting from lowest to highest is as follows: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p.
Answer:
Ligands
Explanation:
Ligands are small molecules that transmit signals in between or within cells. Ligands exert their effects by binding to cellular proteins called receptors.
Answer:
A
Explanation:
Matter is anything that has weight and occupies space. Weight is synonymous to mass
Answer:
a.the smallest building blocks of matter
Explanation:
because atoms are the smallest building blocks of matter.
