Compare the size of a atom with the size of a flea?

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Presentation transcript:

Compare the size of a atom with the size of a flea? Question One Compare the size of a atom with the size of a flea?

Question 2 Why are there two elements in H2O?

If there are 12 protons in an atom, then what atom is it? Question 3 If there are 12 protons in an atom, then what atom is it?

Why is the Periodic Table arranged by the Atomic Number? Question 4 Why is the Periodic Table arranged by the Atomic Number?

Question 5 This model is a model of what atom?

Why is the charge of the nucleus positive? Question 6 Why is the charge of the nucleus positive?

Why is the atomic number of Hydrogen one? Question 7 Why is the atomic number of Hydrogen one?

8 Explain the different ways the Periodic Table is arranged. Atomic Number Metals, Metalloids, and Nonmetals Valence Electrons (Groups or Families)

Question 9 Which of these best describes one of the subatomic particles that could be found at location X in the model of an atom shown above? A. It has mass but no charge. B. It has no mass and a positive charge. C. It has a large mass and a negative charge. D. It has no mass and an equal number of positive and negative charges.

Question 10 How many atoms are in CO2?