How many different elements are present in the human body?

এই অধ্যায়ের আরও প্রশ্ন

• C-03-Q016Which of the following is NOT an example of an element?
• C-03-Q017Which of the following sets contains only elements?
• C-03-Q018Number of synthetic elements is:
• 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: