Podcast
Questions and Answers
What is the fundamental unit of an element that retains its chemical properties?
What is the fundamental unit of an element that retains its chemical properties?
- Nucleus
- Neutron
- Electron
- Proton (correct)
What is the total number of protons and neutrons in the nucleus of an atom known as?
What is the total number of protons and neutrons in the nucleus of an atom known as?
- Atomic number
- Atomic mass (correct)
- Valency
- Atomic radius
Which subatomic particle moves around the nucleus in specific energy levels or shells?
Which subatomic particle moves around the nucleus in specific energy levels or shells?
- Proton
- Electron (correct)
- Positron
- Neutron
What is the central part of an atom called, which contains protons and neutrons?
What is the central part of an atom called, which contains protons and neutrons?