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Questions and Answers
What is the smallest unit of an element that retains its chemical properties?
What is the smallest unit of an element that retains its chemical properties?
- Proton
- Electron (correct)
- Neutron
- Nucleus
What is the center of an atom called, which contains protons and neutrons?
What is the center of an atom called, which contains protons and neutrons?
- Atomic Mass
- Electron Cloud
- Valence Shell
- Nucleus (correct)
What is the total number of protons and neutrons in an atom called?
What is the total number of protons and neutrons in an atom called?
- Isotope
- Valence Electrons
- Atomic Mass (correct)
- Atomic Number
