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REVIEW GAME.

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Presentation on theme: "REVIEW GAME."— Presentation transcript:

1 REVIEW GAME

2 300 points What is the difference between the mass number and the atomic mass??

3 300 Points The mass number is Protons + Neutrons The atomic mass is a weighted average of all of the isotopes for that element

4 100 points What is the charge of a Proton? Neutron? Electron?

5 100 points Positive Neutral Negative

6 100 points What is an isotope?

7 100 points Isotopes are atoms that have the same number of protons, but different number of neutrons

8 100 points What is the atomic number?

9 100 points The atomic number is the number of protons

10 400 points What is Dalton’s theory?

11 400 points All elements are composed of indivisible particles called atoms Atoms of the same element are identical Atoms of different elements can physically mix together of can chemically combine with one another in simple whole-number ratios Chemical reactions occur when atoms are separated, joined, or rearranged.

12 200 points Describe the density of the nucleus of an atom.

13 200 points Very VERY dense! If the nucleus was the size of a pea, its mass would be 250 tons!

14 100 points Who was the first to have the idea of the atom?

15 100 points Democritus

16 100 points Who discovered the electron?

17 100 points JJ Thomson

18 100 points How was the nucleus of an atom discovered?

19 100 points Gold Foil Experiment

20 200 points Who discovered the neutron?

21 200 points James Chadwick

22 100 points Besides the nucleus, what else did the gold foil experiment tell us?

23 100 points An atom is mostly made up of empty space

24 200 points What are two ways you can write Carbon that has a mass of 14?

25 200 Points Carbon-14 Or 6 C 14

26 200 points Write down one of the statements from Dalton’s atomic theory that is no longer true

27 200 points Atoms are indivisible
Atoms of the same element are identical Atoms of different elements can physically mix together to form compounds.

28 200 points Write the Symbol Notation of Neon-22

29 200 points 22 Ne 10

30 100 points How is the structure of atoms of one element different than those of another element?

31 100 points Each element has its own specific number of protons

32 200 points How is the structure of atoms of an element different from those of other isotopes of the same element?

33 200 points Isotopes have different numbers of neutrons

34 100 points How do you calculate the number of neutrons an atom has?

35 100 points Mass – Number of Protons

36 100 points What is the smallest particle of an element that retains the properties of that element?

37 100 Points Atom

38 200 points What are the three rules for determining the subatomic particles of an element? (How do we calculate 1.protons, 2. electrons, & 3. neutrons?)

39 200 points The atomic number is equal to the number of protons
The number of protons is equal to the number of electrons The number of neutrons is equal to the mass number – the number of protons

40 300 points The element copper contains the naturally occurring isotopes Copper-63 and Copper-65. The relative abundances and atomic masses are 69.2% and amu for copper-63 and 30.8% and amu for copper-65. Calculate the average atomic mass of copper.

41 300 Points 63.5 amu

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