1s^2
2s^2
2p^6
3s^2
3p^6
4s^2
3d^10
4p^4
Mechanical twinning occurs in metals having body center cubic and hexagonal closed packed structures. Twinning is said to occur when a portion of a crystal takes up an orientation that is related to the orientation of the untwinned lattice in a definite symmetrical manner.
Answer:
i think it was lll,lV ㄸㄸㅇㅊㅎㅍㅋ
An atomic number is <span>the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table or chart.</span>
