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GalinKa [24]
4 years ago
14

Which option is an example of a physical change?

Chemistry
2 answers:
coldgirl [10]4 years ago
6 0
Where are the other options to pick from ?
Ganezh [65]4 years ago
5 0

Answer: if your quiz has these options to choose from - A: baking a cake B: grinding pepper C: lighting up a grill D: toasting bread, then it would be B: grinding pepper

Explanation: i took a quiz that had this question and i got it correct

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Nuclear Fission and Nuclear Fusion
Free_Kalibri [48]

Answer:

Polonium: <em>Number</em><em> </em><em>of</em><em> </em><em>protons</em><em> </em><em>=</em><em> </em><em>8</em><em>2</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>Number</em><em> </em><em>of</em><em> </em><em>neutrons</em><em> </em><em>=</em><em> </em><em>2</em><em>0</em><em>6</em>

Sodium: <em>Number</em><em> </em><em>of</em><em> </em><em>protons</em><em> </em><em>=</em><em> </em><em>1</em><em>1</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>Number</em><em> </em><em>of</em><em> </em><em>neut</em><em>rons</em><em> </em><em>=</em><em> </em><em>2</em><em>2</em>

8 0
3 years ago
Read 2 more answers
ANSWER THIS QUESTION FOR 29 POINTS
elena-14-01-66 [18.8K]

Answer:

Explanation:

cells process rna and trna

converting food into energy

the regrowth of cells that have died through out the day

the transcription of dna to rna

hope this helped :)

4 0
3 years ago
Use electron configurations to account for the stability of the lanthanide ions Ce⁴⁺ and Eu²⁺.
Citrus2011 [14]

Answer:

Explanation:

 The Ce metal has electronic configuration as follows

[Xe] 4f¹5d¹6s²

After losing 4 electrons , it gains noble gas configuration ,. So Ce ⁺⁴ is stable.

Eu  has electronic configuration as follows

[ Xe ] 4 f ⁷6s²

[ Xe ] 4 f ⁷

Its outermost orbit contains 2 electrons so  Eu²⁺ is stable. Its +3 oxidation state is also stable.

Ce⁺²

7 0
4 years ago
How do the hydrosphere and atmosphere interact? give an example
vladimir1956 [14]

Answer:

Evaporation

Explanation:

Water in the ocean, rivers, lakes, etc. is part of the hydrosphere, and when that water evaporates it enters the atmosphere

3 0
3 years ago
HELP PLEASE!!!!!!!!! What if you started with 100 grams of wood and only have 95 grams of ashes produced, is mass still conserve
Lerok [7]
My guess is smoke. Smoke is matter.
7 0
3 years ago
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