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yan [13]
3 years ago
10

What can physical properties not separate?

Chemistry
1 answer:
Mashutka [201]3 years ago
6 0
Color, phase, odor and boiling point are the physical properties. Reactivity with oxygen depends on the chemical nature of object, thus, it is not a physical property. It is a chemical property.
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Some atoms are exceptions to the octet rule by having an expanded octet. Which characteristic is needed for an atom to have an e
Len [333]

Answer: The correct option would be A.

Explanation: The main group elements which make more bonds than that was predicted from the octet rule are supposed to have expanded octet.

These elements tend to have more than 8 valence electrons after bonding and this can be achieved when we have empty d-orbitals.

When we have empty p-orbitals, total number of valence electrons than can be occupied will be 8.

Electronic configuration when valence shell's empty p-orbitals are fully filled = ns^2np^6

which means that a total of 8 electrons can be occupied which does not satisfy expanded octet rule.

Example of molecule showing expanded octet rule is given in the image. Here, after bonding Phosphorous has 10 electrons which is occupied in empty d-orbitals.

7 0
3 years ago
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The noble gases are grouped together in the periodic table. where are the noble gases in the table?
Rasek [7]
For the noble gasses, you get D, but metals are basically everywhere in the periodic table...
6 0
3 years ago
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What very specific property of mineral calcite allows geologists to quickly identify it in a mixture of other colorless minerals
iragen [17]
This is your perfect answer.

Other Identifying Characteristics
Calcite is easy to identify even without testing the reaction to HCl, by its hardness, luster and cleavage. Another special property is magnetism
3 0
3 years ago
hi, help me please with both number 4 and 5, please be sure of your answer, first to answer gets brainliest!​
Evgesh-ka [11]

Answer:

4. mutualism

5. commensalism

Explanation:

4. mutualism (they benefit off each other)

5. commensalism (the whale is unaffected)

8 0
3 years ago
What is the meaning of<br> 3 CO2 in a chemical reaction?
puteri [66]

Three is simply the coefficient which tells you the amount of molecules. In this case, there are three carbon dioxide molecules. If you want to break it down further, it also means there is three carbon atoms and six oxygen atoms.

I hope this helps.

7 0
3 years ago
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