Answer:
"After 1 half-life there will be 50% of the original isotope, and 50% of the decay product.
After 2 half-lives there will be 25% of the original isotope, and 75% of the decay product.
After 3 half-lives there will be 12.5% of the original isotope, and 87.5% of the decay product.
After 4 half-lives there will be 6.25% of the original isotope, and 93.75% of the decay product." -Stephen Frantz, Former Director of the Reed College Nuclear Reactor
Explanation:
The number of subshells in any given shell is equal to that shell's number. So the first shell (n=1) contains 1 subshell (1s). The second shell (n=2) contains 2 subshells (2s and 2p). The third shell (n=3) contains 3 subshells (3s, 3p, and 3d), and the fourth shell (n=4) contains 4 subshells (4s, 4p, 4d, and 4f).
<span>All d-type subshells have 5 orbitals, regardless of which shell they're in. s-type subshells contain 1 orbital each, p-type subshells contain 3 orbitals each, and f-type subshells contain 7 orbitals each. The answer would still be "five" even if you'd said 3d, 4d, or 6d...they all have five orbitals. </span>
Answer:
A bond in which the electronegativity difference between the atoms is between 0.4 and 1.7 is called a polar covalent bond.
A polar covalent bond is a covalent bond in which the atoms have an unequal attraction for electrons and so the sharing is unequal.
When the cold areas are warmed up, their density drops and they arise. Finally, they cool, sink and replicate the manner all over anew. The decision is a circular motion or current in the running part of the mantle. This method is described as convection.
<h3>Explanation:</h3>
The great point to retain is that heat flows from heated areas to cool areas. In the asthenosphere, you have unusual areas that are warmer than others. Convection is also subject for currents in the air. Hot air (a gas) increases near the equator and continues to the poles, where it cools, grows thicker and descends.