Metallic properties head to the left.
Answer:
Case 1 (energy level): In an atom, an electron jumps from energy level 1 to energy level 3. ... The energy will increase.
Explanation:
Answer:
1.Most metal oxides are insoluble in water but some of these (e.g. Na2O.
Explanation:
2.: (i) A hissing sound is observed.
1.ii) The mixture starts boiling and lime water is obtained.
C. both sources of energy rely on water.
Explanation:
Hydroelectricity and tidal energy are similar energy sources because they both rely on water.
They harness the power of moving water to produce their energy.
- Tidal energy is the energy derived from moving water as crashing waves in an ocean.
- Hydroelectricity is produce when water from a dam channel is used to drive heavy turbines.
- They are both renewable energy sources.
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The presence of hydrogen and hydroxyl ions determines the acidic and basic nature of a solution.
<h3>What determine acidic and basic nature of a solution?</h3>
The use of the pH scale is one way of determining the acidic and basic nature of solution. If the pH of a solution is less than 7, it is considered as acidic and if the pH is 7, the solution is neutral.
While if the pH is greater than 7,the solution is basic so we can conclude that the presence of hydrogen and hydroxyl ions determines the acidic and basic nature of a solution.
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