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natali 33 [55]
4 years ago
14

Helium is listed as a noble gas true or false

Chemistry
1 answer:
Nonamiya [84]4 years ago
5 0
True; Heilum is in Group 18 which are called “Noble Gases”
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What is the chemical formula for lithium chloride
Marizza181 [45]

Answer:

<h2>LiCl</h2>

Explanation:

<h3>chemical formula for lithium chloride is </h3><h3>LiCl</h3>

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Which of the following radioactive emissions is the least penetrating?
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Answer:

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Explanation:

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One type of electromagnetic radiation that could harm humans
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A beaker containing 6.32 moles of PBr3, contains___
NISA [10]

Answer:

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Explanation:

Given parameters:

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The number of moles can be used to derive the number of molecules found within a substance.

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     6.32 mole of PBr₃ will contain 6.32 x 6.02 x 10²³ = 3.8 x 10²⁴molecules

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