An atom has 18 protons and 22 neutrons. What is its mass number?
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What are the 4 physical states of matter?
What is a transaction server in client server environment?
What element was used to make the first atomic bomb?
What wavelengths can the human eye see?
What is Client-server Computing?
Never found uncombined on earth, what element occurs abundantly in limestone, gypsum and fluorite?
What is the iupac name of benzene?
What is the common name of the molecule dihydrogen dioxide?
How do you test a gas to see if it was hydrogen?
Which of the instruments would typically be used to measure the smallest quantities of mass:
What is a hydrogen bond?
Is benzene an element or a compound?