LKuipor Bek asderolch Jupiter Mércúry Venus * Uranus Saturn Mars Earth Ceres Neptune Jupiter Pluto inner solar system outer solar system not to scale Based on the model, why are Ceres and Pluto classified as dwarf planets rather than planets? Ceres and Pluto are both round. O Dwarf planets have irregularly shaped orbits, and planets have elliptical orbits. O Neither Ceres nor Pluto has cleared its orbit of other objects.

LKuipor Bek asderolch Jupiter Mércúry Venus * Uranus Saturn Mars Earth Ceres Neptune Jupiter Pluto inner solar system outer solar system not to scale Based on the model, why are Ceres and Pluto classified as dwarf planets rather than planets? Ceres and Pluto are both round. O Dwarf planets have irregularly shaped orbits, and planets have elliptical orbits. O Neither Ceres nor Pluto has cleared its orbit of other objects.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Using the golf ball analogy, where the golf ball represents the nucleus of a hydrogen atom, what would be the ratio of the diameter of the nucleus to that of the complete atom? 1. 2. What was the key piece of evidence used by Rutherford to claim that an aton was mostly empty space? Which wavelength is the most energetic? Which is the least energetic? 3. 4. What do you notice about the colour of the light produced from the hydrogen tube? 5. If the tube produced all frequencies of visible light, what colour would the light be? 6. The scale is in nanometers (nm). How many nanometers in a meter? 7. Record (in chart form) the wavelength of each of the coloured lines in the hydrogen emission spectrum 8. Which gas most closely matches the emission spectrum? Explain how you came to this conclusion. 9. What is the relationship between the number of levels and the number of lines? If an atom had 7 energy levels (n =1 to n = 7) how many spectral lines would we expect to be able to see? How many…
ymbor 3. Are the following statements regarding Dalton's atomic theory true or false? a. (True/False) All nitrogen atoms are identical. b. (True/False) Sodium and chlorine atoms combine in a 1:1 ratio to form sodium chloride (salt) Are the following statements regarding electrons true or false? a. (True/False) Electrons have a charge of 1+. b. (True/False) Electrons are found in the nucleus of the atom. 4. 5. Are the following statement regarding protons true or false? a. (TruelFalse) Protons have the same mass as electrons. b.True/False) Protons are positively charged. C. (True/False) Protons are found in the nucleus of the atom. What is the name and number of protons for each of the following atoms? Name 6. Number of Protons а. К b. Li С. Mn
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