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- 1. Multiple Choice
The smallest piece of an element:
quark
electron
shell
atom
- 2. Multiple Choice
The cloud-like space that electrons travel around:
nucleus
shell
neutrons
Oort cloud
- 3. Multiple Choice
Protons and neutrons are found in the center of the atom called the:
nucleus
neutron
shell
cell
- 4. Multiple Choice
Classification system for elements is called:
Elements
Periods
The Periodic Table of Elements
Families
- 5. Multiple Choice
The subatomic particles are called:
protons, nucleus and electrons
protons, electrons and neutrons
protons, positives and negatives
cloud, shell and quarks
- 6. Multiple Choice
Substances that have only one kind of atom are called:
elements
nitrogen
electrons
nucleus
- 7. Multiple Choice
Electrons have a _____ charge.
neutral
negative
positive
both positive and negative
- 8. Multiple Choice
What is the study of matter?
Chemistry
Biology
Earth Science
Physics
- 9. Multiple Choice
_____ is what scientists think atoms are like.
Chemistry
The box
The atomic structure
The atomic theory
- 10. Multiple Choice
The abbreviation for an element:
element name
atomic number
chemical symbol
atomic symbol
- 11. Multiple Choice
Who invented the simplified version of the atom?
Dmitri Mendeleev
Niels Bohr
Sir Isaac Newton
Albert Einstein
- 12. Multiple Choice
The scientist who invented the classification system for the elements:
Dimitri Mendeleev
Niels Bohr
Sir Isaac Newton
Albert Einstein
- 13. Multiple Choice
What is the sum of an atom's protons and neutrons called?
atom
atomic theory
atomic mass
atomic number
- 14. Multiple Choice
The columns on the periodic table that are color coded and describe the number of electrons in the outer shell of the atomic structure of the element:
families
groups
periods
- 15. Multiple Choice
The rows or periods on the periodic table describe:
the same number of outer electrons
the same number of shells
the same number of protons
the same mass
- 16. Multiple Choice
The _____ is based on the number of protons in the nucleus of the atom.
atomic structure
periodic table of the elements
atomic number
atomic mass
- 17. Multiple Choice
What subatomic particle is represented by this symbol (+):
neutron
proton
electron
- 18. Multiple Choice
What subatomic particle is represented by this charge (-):
neutron
proton
electron
- 19. Multiple Choice
Why do the electrons surround the nucleus?
the negative electrons are attracted to the neutral neutrons
the negative electrons are repelled by the neutral neutrons
the negative electrons are attracted to the positive protons
the negative electrons are repelled by the positive protons
- 20. Multiple Choice
All matter is made of _____.
light
energy
cells
atoms
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