More Vocabulary Questions
In a compound, the elements are always present in definite proportions by:
Which of the following isotope of hydrogen is radioactive in nature?
Water is a good solvent of ionic salts because -
Who measured the velocity of light first?
Which base is present in soap?
Which law governs the behavior of ideal gases?
Alkali metals have ______.
I. low melting points
II. low densities
Atomic number =
Sphagnum is an important bryophyte. Consider the following statements about it:
- It is a chief constituent of peat. ...
Which type of bond is formed by the sharing of electrons?
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