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goldenfox [79]
3 years ago
14

True or False

Chemistry
1 answer:
alexdok [17]3 years ago
5 0
1. True 2. False 3.false 4. False 5. True
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Which of the following is an alkaline earth metal?
denis23 [38]

Answer:

Magnesium (Mg)

Explanation:

The elements have very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure.

Please mark me as brainliest

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2 years ago
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Does it take more, less, or the same amount of energy to ionize a hydrogen atom (eject an electron) in the n = 3 state tha one i
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I honestly believe it is more.

Explanation:

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What type of wave DOES NOT require a medium? Electromagnetic wave or Mechanical wave?
Genrish500 [490]

Answer;

Electromagnetic wave

Explanation;

Electromagnetic waves are waves that do not require a material medium for transmission, they include, x-rays, gamma rays, visible light etc.

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3 years ago
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Help please help me
Rzqust [24]

Answer:

Strong acids are defined by their pKa. The acid must be stronger in aqueous solution than a hydronium ion, so its pKa must be lower than that of a hydronium ion. Therefore, strong acids have a pKa of <-174. Strong acids can be organic or inorganic.

Explanation:

Bond Strength

Strong acids have mostly ions in solution, therefore the bonds holding H and A together must be weak. Strong acids easily break apart into ions. Weak acids exist mostly as molecules with only a few ions in solution, therefore the bonds holding H and A together must be strong.

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3 years ago
Which statement describes the location of protons and neutrons in an atom of helium?
Rina8888 [55]
A) protons and neutrons are in the nucleus and electrons surround them
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2 years ago
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