What is the smallest particle of an element that still has the chemical properties of that element?
- AA proton
- BAn atom
- CAn electron
- DA nucleus
What is the smallest particle of an element that still has the chemical properties of that element?
How many moles of oxygen atoms are in 1 mole of carbon dioxide, CO₂?
What is the SI base unit of mass?
Which gas forms when hydrochloric acid reacts with calcium carbonate?
How many covalent bonds does a carbon atom usually form?
Atom klorin-37 mempunyai 17 proton. Berapakah bilangan neutronnya?
2 mol H₂ dan 2 mol O₂ dicampurkan dan bertindak balas sebagai 2H₂ + O₂ → 2H₂O. Bahan tindak balas manakah pengehad?
Diamond is extremely hard and has a very high melting point. Which explanation is correct?
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