The electron will move from the first energy level to the second energy level.
The energy level closest to the nucleus is the first energy level, and when an electron absorbs a photon, it absorbs the energy in the photon. This absorption causes the electron to move from the first to second energy level.
Answer:
The flask covered with plastic wrap will contain more water that the flas left exposed.
Explanation:
Both flask will undergo evaporation of the water inside them into gas. The plastic wrapped flask will have the gaseous water condense back to water and return to the flask while the exposed flask will have the moisture evaporate into the air around it.
Answer:
the position of hydrogen is controversial in periodic table because hydrogen is the only element with out neutron. it belongs to 1 st group but it is not placed there .Feb 8, 2018
Explanation:
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