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Semenov [28]
3 years ago
5

Which particle changes to create an isotope of an atom? A.proton B.neutron C.electron

Chemistry
1 answer:
Dovator [93]3 years ago
5 0

Answer:

A

Explanation:

proton

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A student needed to make 100.0 mL of 0.20M NaOH solution. How many grams of sodium hydroxide does the student need to weigh out
GuDViN [60]

Answer:

0.08 g

Explanation:

100.0 mL = 0.10 L

Multiply the volume by the molarity to find moles.

0.10 L × 0.20 M = 0.002 mol

Convert moles to grams.

0.002 mol × 40 g/mol = 0.08 g

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3 years ago
If you try to place the compound on the pan over the flame, what could possibly happen? Explain your answer. [2 marks] anyone pl
Scilla [17]

Answer:

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8 0
3 years ago
Some common substances used in the laboratory are listed in the table. the chemical formulas of the substances are also listed b
Helga [31]
Its 5 i think

but dont take my word on it

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3 years ago
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Answer:

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Explanation:

hope it may help you

4 0
3 years ago
The bonds that link many water molecules together to form a water drop are _____ bonds.
Gelneren [198K]

The bonds found between water molecules are called:

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