Learning Task 1 Match column A with column B. Column A Column B 1. Phase Change -2. Freezing 3. Condensation 4. Melting 5. Evapo
ration a. temperature wherein a liquid solidifies b. change from one state to another without a change in chemical composition c. the temperature at which solid turns into a liquid d. the temperature at which vapor pressure becomes high that causes bubbles to form inside the body of the 6. Freezing point 7. Boiling point 8. Melting point 9. 100°C 10.0°C e. f. liquid the change from liquid to gas happens when solid turns to liquid freezing and melting point of water boiling point of water happens when a gas turns into a g h. i. liquid
1 answer:
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Answer:
1. hydrogen - H
2. helium - He
3. sodium - Na
4. magnesium - Mg
5. potassium - K
Explanation:
Hydrogen is the element of group 1 and first period. The atomic number of hydrogen is 1 and the symbol of the element is H.
The electronic configuration of the element hydrogen is:-
Helium is the element of group 18 and first period. The atomic number of helium is 2 and the symbol of the element is He.
The electronic configuration of the element helium is:-
Sodium is the element of group 1 and third period. The atomic number of sodium is 11 and the symbol of the element is Na.
The electronic configuration of the element sodium is:-
Magnesium is the element of group 2 and third period. The atomic number of magnesium is 12 and the symbol of the element is Mg.
The electronic configuration of the element magnesium is:-
Potassium is the element of group 1 and forth period. The atomic number of potassium is 19 and the symbol of the element is K.
The electronic configuration of the element potassium is:-