To being my discussion, I claim that a new atomic model should always build on an old one with the following reasons of mine. That is option B.
<h3>What is an atomic model?</h3>
An atomic model is a model that describes how the interior of an atom looks like. This first atomic model was developed by William Thomson.
To start my discussion, I claim that a new atomic model should always build on an old one with the following reasons of mine:
- The modern scientists exploited the ideas of the ancient scientists to arrive at a better atomic model.
- This method is proven the the works of Bohr in the Bohr atomic model which relied on quantum mechanics, built upon the Rutherford model to explain the orbits of electrons.
Learn more about atoms here:
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no, humans came along 65 million years later. unless you mean all creatures alive in the dinosaur period, in which case, yes. they are still around today.
Answer:
The volume of water added is 30 mL
Explanation:
Given data
- Initial concentration (C₁): 0.4 M
- Initial volume (V₁): 10 mL
- Final concentration (C₂): 0.1 M
We can find V₂ using the dilution rule.
C₁ × V₁ = C₂ × V₂
0.4 M × 10 mL = 0.1 M × V₂
V₂ = 40 mL
The volume of water added is
V₂ - V₁ = 40 mL - 10 mL = 30 mL
The correct answer is E. C6H6 is not soluble in water. This is determined by the polarities of these substances. Benzene is a non-polar substance because it has equal number of electrons sharing a bond thus it does not dissolve in water which is a polar substance.
The answer is B because if you don't have water on your body you won't live right, and if you don't have water on your body your cells won't work that well.
I HOPE THIS HELP!!