2 years ago

Which best represents a compound?

1 answer:

8 0

Answer:

The one above B

Explanation:

The one above B is most represents a compound because compounds are chemically bonded and are always near each other.

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lara [203]

A triple beam balance is used to measure mass

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2 years ago

Andru [333]

Because all atoms are made from the same particles which are protons, neutrons, and electrons.

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3 years ago

Elena-2011 [213]

Answer:

What do you need please to understand?

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3 years ago

Paraphin [41]

<h2>Answer: C) 1s²2s²2p⁶</h2>

<h3>Explanation:</h3>

A noble gas has 8 electrons between the p and s orbitals of the outer shell. Helium is the exception because it only has two electrons.

<h3> ∴ 1s²2s²2p⁶ is the noble gas (neon)</h3>

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2 years ago

max2010maxim [7]

Explanation:

When solid cadmium sulfide reacts with an aqueous solution of sulfuric acid then the reaction will be as follows.

$CdS(s) + H_{2}SO_{4}(aq) \rightarrow CdSO_{4}(aq) + H_{2}S(g)$

Hence, ionic equation for this reaction is as follows.

$CdS(s) + 2H^{+}(aq) + SO^{2-}_{4}(aq) \rightarrow Cd^{2+}(aq) + SO^{2-}_{4}(aq) + H_{2}S(g)$

Therefore, net ionic equation for this reaction is as follows.

$CdS(s) + 2H^{+}(aq) \rightarrow Cd^{2+}(aq) + H_{2}S(g)$

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2 years ago