Answer:
n = 5 to n = 6 absorption
n = 9 to n = 6 emission
n = 6 to n = 4 emission
n = 6 to n = 7 absorption
Explanation:
According to the Bohr's model of the atom. An electron in an atom may absorb energy and move from a lower energy level to a higher energy level. This requires absorption of energy that is equal to the energy difference between the two levels.
Similarly, an electron may move from a higher to a lower energy level, releasing energy that is equal to the energy difference between the higher and the lower level. This is known as emission.
Hence, if the electron is moving from a lower energy level to a higher energy level, an absorption has taken place, e.g n = 5 to n = 6
When an electron moves from a higher energy level to a lower energy level, an emission has taken place e.g n = 9 to n = 6
The combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes is called metabolism.
Its main purpose is to convert food to energy.
Explanation:
Metabolism can even confer with the add of all chemical reactions that occur in living organisms, together with digestion and therefore the transport of drugs into and between totally different cells, during which case the set of reactions among the cells is named intermediator metabolism or intermediate metabolism.
Answer:
D
Explanation:
This is because it is believed that the galaxy was once crammed into a tiny spot and the Big Bang explosion sent the universe expanding and galaxies hurtling way into space away from each other. The force from the Big Bang that is believed to cause this expansion is dark energy.
The molar mass of an element represents how many grams of that specific element are in one mole of that specific element
