1. | Any suitable diagram/ neutrons & protons in nucleus, electrons in shells surrounding nucleus |
2. | |
a) | As atomic number increases, melting point decreases |
b) | They each have a single outer electron. |
c) | Alkali metals |
4. | |
C2H5NO2 |
National 5 Chemistry Homework Answers
Hyndland Science Faculty
1. | Any suitable diagram/ neutrons & protons in nucleus, electrons in shells surrounding nucleus |
2. | |
a) | As atomic number increases, melting point decreases |
b) | They each have a single outer electron. |
c) | Alkali metals |
4. | |
C2H5NO2 |
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