Number of synthetic elements is:

এই অধ্যায়ের আরও প্রশ্ন

• C-03-Q019When pure gold is broken down repeatedly, what is obtained?
• C-03-Q020Helium and argon are examples of which type of element?
• C-03-Q021The substance which yields two or more elements when divided is called:
• C-03-Q022Chemical analysis of water yields:
• C-03-Q023The ratio of hydrogen to oxygen atoms in water is:
• C-03-Q024In a compound, the elements are always present in:
• C-03-Q025Chemical analysis of writing chalk gives:
• C-03-Q026At room temperature, hydrogen and oxygen are gases, but their compound water is:
• C-03-Q027The properties of a compound are:
• C-03-Q028Which of the following is a compound?