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jenyasd209 [6]
2 years ago
7

What chemical element is an insecticide made up of​

Chemistry
1 answer:
NeTakaya2 years ago
8 0

Answer

malathion and parathion

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When salt dissolves in water, what type of substance is formed? (4 points)
Scilla [17]

Answer:

Water molecules pull the sodium and chloride ions apart, breaking the ionic bond that held them together. After the salt compounds are pulled apart, the sodium and chloride atoms are surrounded by water molecules, as this diagram shows. Once this happens, the salt is dissolved, resulting in a homogeneous solution.

Explanation:

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4 years ago
How much heavier is an alpha particle than an electron?
grandymaker [24]
An electron weighs 1/1836 atomic mass unit and, on the other hand, an alpha particle weighs 4 atomic mass unit.

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<span>Therefore, an alpha particle is 7344 times heavier than an electron. 

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4 0
4 years ago
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Na-23 has 12 neutrons. What is it’s atomic number?
Dennis_Churaev [7]

Answer:

11

Explanation:

The atomic number for Na will always be the same regardless of the number of neutrons.

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4 years ago
Which property indicated a minerals response to ultraviolet light?
kherson [118]
A. Flueorescece. <span>The light from these ultraviolet lamps reacts with the chemicals of a mineral and causes the mineral to glow.

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4 0
3 years ago
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The student repeated the experiment using a higher concentration of acid. The same volume of acid and the same mass of magnesium
Elena L [17]

Answer:

53 cm³

Explanation:

When the student used dilute sulfuric acid, the reaction was complete after 60 s, because no more hydrogen was formed in the next 10 s.

The reaction would go faster if the student used a more concentrated acid, but 53 cm³ of hydrogen is the most that would form.

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4 years ago
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