What ion must be present for a compound to be considered a base?
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(2) carbonate (4) peroxide
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Carbonate ion contains the greatest number of oxygen atoms. So, the correct option is (2).
Polyatomic ion: refers to a charged chemical ion or species made up of two or more covalently joined atoms, or a metal complex that can be considered to behave as a single unit.
Acetate(C2H3O−) has two atoms of oxygen, carbonate has three oxygen atoms, hydroxide
has one, and peroxide (
)has two atoms of oxygen. Thus, carbonate has the highest number of oxygen atoms.
To know more about:-
Answer:
The correct answer is option 2, that is, carbonate.
Explanation:
A molecular ion, also known as a polyatomic ion, refers to a charged chemical ion or species comprising two or more atoms that are combined covalently, or of a complex of a metal, which can be regarded to be functioning as a single unit.
Of the given options, acetate has two atoms of oxygen, carbonate has three oxygen atoms, hydroxide has one, and peroxide has two atoms of oxygen. Thus, carbonate has the highest number of oxygen atoms.
I don't understand this
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Answer: Galaxy D is what i got and it says ts is right
Explanation:
the red line on d is closer than the rest
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B. An electron has a neutral electrical charge.
C. An electron is much larger than an atom.
D. An electron is located inside the nucleus of an atom.
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Answer: Option (A) is the correct answer.
Explanation:
An atom consists of three sub atomic particles. These particles are protons, electrons and neutrons.
Protons have a positive charge. Whereas neutrons have no charge. On the other hand, electrons have a negative charge.
Thus, we can conclude that out of the given options, an electron has a negative electrical charge is the correct statement.
revolution
rotation
universal gravitation
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Answer:
retrograde motion
Explanation:
All the planets have direct motion or progade motion i.e. they move in eastward direction around the Sun. The exceptions are Venus and Uranus which apparently move westwards. This is type of motion is known as retrograde motion. Venus and Uranus move opposite to the other planets motion against the background of stars.
Answer:
retrograde motion
Explanation: