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Olin [163]
3 years ago
13

What is the older name for lanthanides and actinides?

Chemistry
1 answer:
Whitepunk [10]3 years ago
6 0

Answer:

inner transition metals

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I'm not sure if this is the exact answer for I do not learn this in school yet. But I hope this helps!

3 ZnS + 2 AlP = Zn3P2 + Al2S3

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What is a base? chemistry
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The answer is letter B
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Write the name and symbol of the si units for mass length volume and temperature
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Mass: kilogram (kg)
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4 years ago
What is the mass defect of lithium? Assume the following: Atomic number of lithuim= 3 Atomic mass of lithuim= 7.0144 atomic mass
Lunna [17]

Answer:

0.0423 amu.

Explanation:

  • Li atom has 3.0 protons and 4.0 neutrons.
  • <em>The mass of Li = mass of protons + mass of neutrons.</em>
  • The mass of protons = (3)(1.0073 amu) = 3.0219 amu.
  • The mass of neutrons = (4)(1.0087 amu) = 4.0348 amu.
  • The mass of Li = mass of protons + mass of neutrons = 3.0219 + 4.0348 = 7.0567 amu.
  • The mass defect of Li = the mass of Li - the atomic mass of Li = 7.0567 - 7.0144 = 0.0423 amu.
7 0
3 years ago
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An infrared camera in sensitive to_________
S_A_V [24]

Answer:

infared light.

Explanation:

Infared cameras are sensitive to wavelengths of light out side of our visible light spectrum. They are sensitive to wavelengths from about 1,000nm to 14,000 nm. Visible light ranges from about 400-700nm.

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