QUESTION IMAGE
Question
name: _____________________________ pd. date: ____________
- use your periodic table to complete the table below.
table with columns: symbol, element name, atomic mass, atomic number, atomic notation, number of (protons, neutrons, electrons); rows include cl (chlorine, 35, 17, $_{17}^{35}$cl, 17, 18, 17), c (carbon, 12, 6, $_{6}^{12}$c, blank), oxygen (blank), n (blank), (blank, atomic mass 20), he (blank), (blank, electrons 9), ca (blank), (blank, atomic number 12)
Step1: Carbon row
Protons=Atomic Number=6; Neutrons=12-6=6; Electrons=Protons=6.
Step2: Oxygen row
Symbol=O; Atomic Number=8; Atomic Mass=16; Atomic Notation=$^{16}_{8}\text{O}$; Protons=8; Neutrons=16-8=8; Electrons=8.
Step3: Nitrogen row
Element Name=Nitrogen; Atomic Number=7; Atomic Mass=14; Atomic Notation=$^{14}_{7}\text{N}$; Protons=7; Neutrons=14-7=7; Electrons=7.
Step4: Atomic Mass 20 row
Symbol=Ne; Element Name=Neon; Atomic Number=10; Atomic Notation=$^{20}_{10}\text{Ne}$; Protons=10; Neutrons=20-10=10; Electrons=10.
Step5: Helium row
Element Name=Helium; Atomic Number=2; Atomic Mass=4; Atomic Notation=$^{4}_{2}\text{He}$; Protons=2; Neutrons=4-2=2; Electrons=2.
Step6: Electrons=9 row
Symbol=F; Element Name=Fluorine; Atomic Number=9; Atomic Mass=19; Atomic Notation=$^{19}_{9}\text{F}$; Protons=9; Neutrons=19-9=10.
Step7: Calcium row
Element Name=Calcium; Atomic Number=20; Atomic Mass=40; Atomic Notation=$^{40}_{20}\text{Ca}$; Protons=20; Neutrons=40-20=20; Electrons=20.
Step8: Atomic Number=12 row
Symbol=Mg; Element Name=Magnesium; Atomic Mass=24; Atomic Notation=$^{24}_{12}\text{Mg}$; Protons=12; Neutrons=24-12=12; Electrons=12.
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| Symbol | Element Name | Atomic Mass | Atomic Number | Atomic Notation | Number of Protons | Number of Neutrons | Number of Electrons |
|---|---|---|---|---|---|---|---|
| C | Carbon | 12 | 6 | $^{12}_{6}\text{C}$ | 6 | 6 | 6 |
| O | Oxygen | 16 | 8 | $^{16}_{8}\text{O}$ | 8 | 8 | 8 |
| N | Nitrogen | 14 | 7 | $^{14}_{7}\text{N}$ | 7 | 7 | 7 |
| Ne | Neon | 20 | 10 | $^{20}_{10}\text{Ne}$ | 10 | 10 | 10 |
| He | Helium | 4 | 2 | $^{4}_{2}\text{He}$ | 2 | 2 | 2 |
| F | Fluorine | 19 | 9 | $^{19}_{9}\text{F}$ | 9 | 10 | 9 |
| Ca | Calcium | 40 | 20 | $^{40}_{20}\text{Ca}$ | 20 | 20 | 20 |
| Mg | Magnesium | 24 | 12 | $^{24}_{12}\text{Mg}$ | 12 | 12 | 12 |