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Substance X exists as a liquid at a temperature of 85°C. What is the most likely melting point and boiling point of substance X?
The table below shows the meting point and boiling point of substances P, Q, R and S. Which of the substance is solid at room temperature (25 °C)
Which of the following statement is true about Neils Bohr’s atomic model?
Which of the following match is not true?
Which of the following shows the correct relative mass and charge of the subatomic particles?
The table above shows the properties of subatomic particles P, Q and R. Name P, Q and R.
The figure above is the symbol of sulphur element. Which of the following is true about the symbol?
In an atom, the number of electrons is equal to the
The number of subatomic particles in particle P and Q is as below.
Which of the following statement is true about particle P and Q?
Based on the information in the table above, which of the following pair of particles are isotopes?
The table below shows the melting point and boiling points of five compounds P, Q, R, S and T. Which substance exists as a liquid at room temperature?
|Substance||Melting point(°C)||Boiling point(°C)|