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Atomic Structure Questions - All Grades

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Grade 12 Atomic Structure
How are isotopes of an element different from one another?
  1. they have different numbers of electrons
  2. they have different numbers of protons
  3. they have different numbers of neutrons
  4. they have different numbers of protons and neutrons
Grade 9 Atomic Structure
Grade 5 Atomic Structure
Grade 6 Atomic Structure
The smallest building blocks of matter are called
  1. atoms
  2. protons
  3. elements
  4. reaction
Grade 10 Atomic Structure

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

Grade 10 Atomic Structure

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

Grade 5 Atomic Structure
Grade 11 Atomic Structure
The atomic mass of an atom is
  1. the total number of protons plus neutrons
  2. the total number of protons
  3. the total number of neutrons
  4. the total number of protons plus electrons
Grade 10 Atomic Structure
The chemical properties of an atom and the types of bonds it may make are primarily determined by the number of:
  1. Neutrons it has in its nucleus
  2. Protons it has in its nucleus
  3. Energy levels it has
  4. Electrons it has in its outermost energy level
Grade 9 Atomic Structure
Which subatomic particle has a positive charge?
  1. proton
  2. neutron
  3. electron
  4. nucleus
Grade 6 Atomic Structure
Grade 9 Atomic Structure
Grade 6 Atomic Structure
Grade 9 Atomic Structure
Why does an atom have no net electric charge?
  1. Its subatomic particles carry no electrical charge.
  2. The positively charged protons cancel out the negatively charged neutrons.
  3. The positively charged neutrons cancel out the negatively charged electrons.
  4. The positively charged protons cancel out the negatively charged electrons.
Grade 11 Atomic Structure
Grade 8 Atomic Structure
An atom with more electrons than protons would be considered a(n)
  1. metal atom
  2. nonmetal atom
  3. ion
  4. atom of a metalloid
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