Grade 8 Chemical Changes Assessment Prep
32 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What determines the properties of different solutions?

  • The electrons and protons in the atoms (correct)
  • The color of the solution
  • The type of container used for the solution
  • The number of atoms in the solution

Which of the following substances is not flammable and will extinguish a flame?

  • Oxygen
  • Argon (correct)
  • Hydrogen
  • Nitrogen

What is the main component that determines the unique properties of substances?

  • Electrons (correct)
  • Neutrons
  • Molecules
  • Protons

Which of the following substances exhibits flammability?

<p>Oil (B)</p> Signup and view all the answers

What property can be used to differentiate substances based on their reaction with fire?

<p>Flammability (D)</p> Signup and view all the answers

Which of the following substances is not a good conductor of electricity?

<p>Argon (B)</p> Signup and view all the answers

What determines the chemical identity and unique properties of a molecule?

<p>The number, type, and arrangement of atoms in the molecule (C)</p> Signup and view all the answers

How are substances made from different types of atoms?

<p>Substances are made from atoms, where the amount of electrons and protons determines the element and its properties (C)</p> Signup and view all the answers

What influences the properties of Beryllium?

<p>Its hexagonal crystal structure (D)</p> Signup and view all the answers

How can atoms be combined to create molecules with unique properties?

<p>Through the number and arrangement of atoms within the molecules (B)</p> Signup and view all the answers

What determines the isotope of an atom?

<p>The number of neutrons in the atom's nucleus (C)</p> Signup and view all the answers

How does the arrangement of molecules influence their chemical and physical properties?

<p>It impacts how substances behave in chemical and physical processes (A)</p> Signup and view all the answers

What is the role of chemical bonds in creating molecules with unique properties?

<p>Chemical bonds form molecules and influence their properties (A)</p> Signup and view all the answers

Which factor contributes to the physical characteristics of a substance?

<p>The type and arrangement of atoms within the substance (A)</p> Signup and view all the answers

What influences how substances behave in chemical and physical processes?

<p>The arrangement of atoms in a molecule (C)</p> Signup and view all the answers

What determines the unique properties of a molecule?

<p>The arrangement and types of atoms within the molecule (C)</p> Signup and view all the answers

What component of atoms determines the properties of different solutions?

<p>Electrons (C)</p> Signup and view all the answers

Which substance is not flammable and can extinguish a flame?

<p>Water (D)</p> Signup and view all the answers

Which property can be used to differentiate substances based on their reaction with fire?

<p>Flammability (C)</p> Signup and view all the answers

What determines the chemical identity and unique properties of a molecule?

<p>Electrons (C)</p> Signup and view all the answers

Which factor contributes to the physical characteristics of a substance?

<p>Arrangement of molecules (D)</p> Signup and view all the answers

What influences how substances behave in chemical and physical processes?

<p>Arrangement of atoms (C)</p> Signup and view all the answers

What is the role of the arrangement of atoms within a molecule in determining its properties?

<p>It influences the chemical and physical properties (D)</p> Signup and view all the answers

How does the number, type, and arrangement of atoms in a molecule contribute to its unique properties?

<p>They determine the chemical identity and impact unique properties (A)</p> Signup and view all the answers

Which factor influences how substances behave in chemical and physical processes?

<p>The arrangement of molecules in an atom (C)</p> Signup and view all the answers

What determines the chemical identity and unique properties of a molecule?

<p>The arrangement of atoms (D)</p> Signup and view all the answers

Which statement about the arrangement of atoms within a molecule is true?

<p>It affects how substances behave in chemical and physical processes (D)</p> Signup and view all the answers

What determines the isotope of an atom?

<p>The number of neutrons (B)</p> Signup and view all the answers

Which statement about atoms and molecules is true?

<p>Molecules can form properties through various ways (D)</p> Signup and view all the answers

How do substances behave in chemical and physical processes?

<p>Based on their arrangement of molecules in an atom (C)</p> Signup and view all the answers

What is the role of bonds in creating molecules with unique properties?

<p>They influence reactivity and physical properties (B)</p> Signup and view all the answers

How does the neutron contribute to determining the isotope of an atom?

<p>By changing the mass number of the atom (A)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser