PDF chapter test TRY NOW
Which of the following do you suggest for Vinoth to pick to score a centum in his exam?
A)
Statement 1: Each element has a name and a unique chemical symbol
Statement 2: Some elements named after animals like lion and monkey.
B)
Statement 1: The molecules vibrate in only a solid-state when heat is applied as they gain energy.
Statement 2: The molecules vibrate in all states of matter when heat is applied as they gain energy.
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