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masalah 1
pilihan
What is the smallest unit of matter that retains the properties of an element?
- Molecule
- Atom
- Proton
- Electron
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masalah 2
pilihan
What is the center part of an atom called?
- Electron cloud
- Proton
- Nucleus
- Neutron
masalah 3
pilihan
Which particle in the atom has a positive charge?
- Electron
- Proton
- Neutron
- Photon
masalah 4
pilihan
Which part of the atom is responsible for chemical reactions?
- Nucleus
- Proton
- Neutron
- Electron
masalah 5
pilihan
What is the charge of a neutron?
- Positive
- Negative
- Neutral
- Variable
masalah 6
pilihan
What is the atomic number of an element determined by?
- Number of electrons
- Number of protons
- Number of neutrons
- Total number of particles
masalah 7
pilihan
What is the term for atoms of the same element with different numbers of neutrons?
- Isotopes
- Ions
- Molecules
- Compounds
masalah 8
pilihan
What part of the atom is involved in bonding with other atoms?
- Proton
- Neutron
- Electron
- Nucleus
masalah 9
pilihan
What is the relative mass of an electron compared to a proton?
- Same
- Much smaller
- Much larger
- Twice as large
masalah 10
pilihan
What is an atom's electron cloud?
- The nucleus
- The area where electrons are likely to be found
- The protons in the atom
- The entire atom
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