B The highest occupied s and p sublevels are partially filled.
Explanation:
The true statement about the electron configuration of the representative elements is that the highest occupied s and p sublevels are partially filled.
- The representative elements belongs to the first two families on the periodic table and the last six
- These are the alkali and alkaline earth metals and the last six families to the right.
- They belong to the s and p-block on the periodic table.
- These blocks of elements shows electrons in the s and p-block in their configuration.
- The last set of elements occupying the highest energy level goes into s and p-orbitals.
- The first two families have their electrons in the s-orbital
- The six to the right are in the p-orbital.
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95......I think protons equal electrons..................
Answer:
C. The electron clouds are negatively charged and repel each other as far apart as possible
Explanation:
This is the basis of VSEPR theory.
The angles between the electron clouds determine the shapes of the molecules.
B. and D. are wrong. All electron pairs are negatively charged.
Explanation: Pollution in urban streams (commonly caused by improperly disposed waste and/or acid rain) always has a negative effect on the environment. <em>Urban rivers are extremely polluted in some areas</em>, such as India. Actions have been taken to clear the streams, and progress has been made.
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Explanation:
Certain actions and/or their method can affect the environment, such as leaving the sink on while brushing your teeth or not turning off a light when you leave the room. I personally make decisions to prevent my association with Greenhouse gases by turning off lights when I leave a room, using minimal water, recycling, etc.