3 years ago

How can you tell if an electric charge is present?

1 answer:

7 0

If an element is written with a plus (+) or minus (-) symbol in the superscript then the element is either an anion or cation ( ion)

Ex : H₂ -----> stable or elemental form

Na⁺------> Cation

Cl⁻------> Anion

Technically an atom have positive charge when it loses its valence electrons and negative charge when it gains electrons.

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Westkost [7]

Answer:

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Explanation:

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2 years ago

Determine the number of molecules in a 100. gram sample of CCl4

enyata [817]

100. g CCl4* (1 mol CCl4/ 153.8 g CCl4)* (6.02*10^23 CCl4 molecules/ 1 mol CCl4)= 3.91*10^23 CCl4 molecules.
(Note that the units cancel out so you get the answer)

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2 years ago

___ Au₂S₃ + ___ H₂ → ___ Au + ___ H₂S

Natalija [7]

Answer:

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Explanation:

Balancing:

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2 years ago

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e-lub [12.9K]

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3 years ago

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Saul converts 2.392 hectoliters to liters. What should his new number be?

Lostsunrise [7]

2.392 hectoliters = 239.2 liters. 1 hectoliter = 100 liters.

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2 years ago