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Alex Ar [27]
3 years ago
6

How can you determine the number of protons in the nucleus of an atom of any of the elements listed in the table?

Chemistry
1 answer:
stealth61 [152]3 years ago
6 0
The number of protons is equal to the atomic number of every element in the periodic table.
Example: The atomic number of Niobium (Nb) is 41. Therefore, the number of protons is also 41.
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If a compound with a density of 9.0 g/cm^3 occupies 37.6 in^3, what is its mass in kg?
STALIN [3.7K]

Answer:                  

V =  m d  = 14 830 g ×  1 c m ³ 19.32 g  = 767.6 cm³

6 0
3 years ago
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A graduated cylinder is filled to 10.0 mL with water and a piece of granite is placed in the cylinder displacing the level to 23
Rus_ich [418]

Answer:

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Explanation:

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8 0
3 years ago
(BRAINLIEST FOR CORRECT ANSWER) How does the particle structure of a solid affect its shape, volume, and compressibility?
Crazy boy [7]

Answer:

A solid's particles fit closely together. The forces between the particles are so strong that the particles can not move freely; they can only vibrate. This causes a solid to be a stable, non-compressible shape with a definite volume.

Explanation:

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3 years ago
NaOH and bleach have several characteristics in common. They include all BUT one of the characteristics listed.
navik [9.2K]
Sodium hydroxide and bleach have several characteristics in common and that includes: both can conduct electricity in solution, both can be found in the cleaning products and they are able to produce hydroxide ions in solution. However, their pH are not less than 7. Sodium hydroxide has a pH of 13, while bleach has a pH of 11. Therefore, both of them has a pH greater than 7. So the characteristic that they don't have in common is letter A.
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3 years ago
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Can someone help me plz!!!<br><br> Calculate the mass, in grams, of 2 moles of CaCl2.
Luden [163]

Answer:

222.2 grams of CaCl2 in 2 moles

Explanation:

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-----------------------

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x=222.2

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3 years ago
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