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Atomic Structure Questions - All Grades

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Grade 6 Atomic Structure
The number of protons in a neutral atom is equal to the number of                  .
  1. electrons
  2. neutrons
  3. molecules
  4. none of the above
Grade 6 Atomic Structure
A(n)                 has no electrical charge.
  1. atom
  2. proton
  3. electron
  4. neutron
Grade 6 Atomic Structure
                are negatively charged particles.
  1. Protons
  2. Neutrons
  3. Electrons
Grade 10 Atomic Structure
Which statement describes isotopes?
  1. Isotopes of the same element have different electron arrangements.
  2. Isotopes of the same element have different nuclear charges.
  3. Isotopes of the same element have nuclei with masses that are the same.
  4. Isotopes of the same element have the same number of protons
Grade 9 Atomic Structure
What does the octet rule state?
  1. Atoms become less stable with eight electrons in their outer energy level.
  2. Atoms become more stable with eight electrons in their outer energy level.
  3. Atoms will change their configurations and become a noble gas.
  4. Atoms will become more reactive and chemically bond with noble gases.
Grade 6 Atomic Structure
                are particles with no charge.
  1. Protons
  2. Neutrons
  3. Electrons
Grade 9 Atomic Structure
Which particles make up atoms?
  1. protons, neutrons, electrons
  2. protons, electrons, nuclei
  3. electrons, neutrons, ions
  4. neutrons, electrons, molecules
Grade 9 Atomic Structure
Atoms become positively charged when it                 .
  1. shares electrons
  2. loses electrons
  3. loses protons
  4. gains electrons
  5. gains protons
Grade 6 Atomic Structure
What are the smallest particles of any substance?
  1. compounds
  2. atoms
  3. elements
  4. matter
Grade 11 Atomic Structure
A negatively charged ion is called                .
  1. cation
  2. anion
  3. proton
  4. neutron
Grade 7 Atomic Structure

This question is a part of a group with common instructions. View group »

An atom's nucleus contains                                 .
  1. neutrons only
  2. protons and electrons
  3. neutrons, protons, and electrons
  4. protons and neutrons
Grade 10 Atomic Structure
If you add an additional neutron to an atom, what do you create?
  1. a new element
  2. an isotope
  3. a reaction
  4. an ion
Grade 7 Atomic Structure
A(n)                 has a positive charge.
  1. electrons
  2. protons
  3. neutron
  4. plasma
Grade 9 Atomic Structure
Strong forces bind protons and neutrons together to form the                .
  1. nucleus
  2. electrons
  3. protons
  4. neutrons
  5. Atoms
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