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Chapter 4: Q. 4.102 (page 132)
Complete the following table:
| Name | Atomic Symbol | Number of Protons | Number of Neutrons | Number of Electrons |
| Potassium | 19 | 22 | 19 | |
| Vanadium | 23 | 28 | 23 | |
Cadmium | 48 | 64 | 48 | |
| Barium | 56 | 82 | 56 |
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For each representation of a nucleus through, write the atomic symbol and identify which are isotopes.
Write the symbols for the following elements :
a. copper b. platinum c. calcium d. manganese
e. iron f. barium g. lead h. strontium
Write the names and symbols for the elements with the following atomic numbers:
a. b. c. d.
e. f. g. h.
Which statements completed with a to e will be true and which will be false?
An atom of compared to an atom of has a larger (greater)
a. atomic size
b. ionization energy
c. number of protons
d. metallic character
e. number of valence electrons
Identify the form of electromagnetic radiation in each pair that has the greater energy:
a. Radio waves or violet light.
b. Infrared light or ultraviolet light.
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