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How do the properties of noble gases support the current model of the atom the atoms are most stable when they have filled oiter wnergy levels?
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How many trophic levels a rain forest ecosystem can support?
A rain forest ecosystem can support 3-4 trophic levels.
How do the properties of water affect the aquatic ecosystems?
The properties of water suck as oxygen levels and temperature can mean the difference between life and death for plants and animals living in aquatic ecosystems. If an imbalance of properties is ongoing, life in that area may end.
What are the calligative properties of seawater?
Salinity, temperature, turbidity, pH, buffering capacity, dissolved oxygen, and nutrient levels.
Why does the elements of family 18 do not tend to form chemical reactions?
Because all the atoms of these elements in Family 18 have filled outermost energy levels.
If atom is chemically stable if it and outer energy level is filled with what?
A half filled sub-shell is more stable than other partially filled shells. As an example use Chromium. It should by logic have the following: Sc = [Ar]4s23d1 Ti = [Ar]4s23d2 V = [Ar]4s23d3 Cr should in theory be Cr = [Ar]4s23d4 but it is not. Half filled shells are more stable so the configuration is Cr = [Ar]4s13d5 two half filled sub levels and then Manganese is Mn = [Ar]4s23d5 one full and one half filled level.
How many elecrtons shells would be filled by a neutral xenon atom?
The first 3 energy levels are filled, the 4s and 4p and 4d sublevels are filled, and the 5s and 5p sublevels are also filled. So only the first three energy levels are completely filled. The fourth and fifth energy levels are partly filled. The electron configuration is 1s22s22p63s23p63d104s24p64d105s25p6 or [Kr]4d105s25p6.
How many filled levels does xenon have?
Five of them.
Are the highest energy levels always filled first?
No, the tendency is to fill out lower energy levels first.
Which atom is more chemically reactive an atom with a partly filled energy level or an atom with all energy levels completely filled?
the one that is completely filled
If s and p sub levels of an atom of an element in period 3 are filled with electrons which orbitals are filled in this atom?
The Third
Atoms with filled energy levels form chemical bonds?
False
How many trophic levels a rain forest ecosystem can support?
A rain forest ecosystem can support 3-4 trophic levels.
What branch of physics deals with the motion of particles by their wave properties at the atomic and subatomic levels?
Quantum mechanics is the branch of physics that deals with the motion of particles by their wave properties at the atomic and subatomic levels.
What atom has its first three energy levels which are fully occupied by electrons?
Neon has the 1s2, 2s2, and 2p6 levels filled.
How are legislative offices at the state and federal levels filled?
Using Elections
What is the percent of atmospheric oxygen needed to support combustion Can levels of CO2 ever get high enough to make combustion difficult?
Fire fighting school in the 1970s taught us 15% oxygen level si necessary to support combustion. In a natural situation, no. Current levels of CO2 are 0.038% Levels of over 15% would be needed to even slow the burn down. Lack of Oxygen would be the determining factor
What are the support levels for mentally retarded individuals as described in AAMR categories?
They are: intermittent support, limited support, extensive support, and pervasive support.
