Answer:
hydrogen bonding
Explanation:
The two strands of DNA are held together by hydrogen bonds between complimentary nucleotides.
Answer:
The total number of orbitals for a given n value is n2.
Explanation:
For a hydrogen atom with n=1, the electron is in its ground state; if the electron is in the n=2 orbital, it is in an excited state.
Answer:
each element is designated by its <u>Chemical Symbol </u>which is usually from the first letters of the elements name
Explanation:
Answer:
In every sequence even numbers are added in order.
3, 5, 9, 15, 23, 33