Atomic Mass and Particulate Nature of Matter Quiz

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What is the unit of measurement used in the Carbon-12 scale?

Atomic mass unit

Which of the following is NOT a separation technique for mixtures?

Decomposition

What is the process called where a solid changes to a liquid?

Melting

Which principle states that each electron occupies the lowest energy orbital available?

<p>Aufbau Principle</p> Signup and view all the answers

What is the shape of the p orbitals according to atomic theory?

<p><strong>P</strong> shaped</p> Signup and view all the answers

Which classification is based on electron configurations?

<p><strong>Periodic table</strong></p> Signup and view all the answers

What is the term used to describe the closeness of a measured value to the true value?

<p>Accuracy</p> Signup and view all the answers

What type of interatomic bonding is typically found in metallic solids?

<p>Metallic bonding</p> Signup and view all the answers

Which scientist's experiment provided evidence for the existence of subatomic particles within the atom?

<p>J.J. Thomson</p> Signup and view all the answers

Which of the following is a property associated with covalent network solids?

<p>Brittle nature</p> Signup and view all the answers

The atomic mass of an element is best described as:

<p>The average mass of all isotopes of the element</p> Signup and view all the answers

What type of bonding is predominantly found in graphite?

<p>Covalent bonding</p> Signup and view all the answers

Which process is associated with absorption of heat from the surroundings?

<p>Endothermic process</p> Signup and view all the answers

Which of the following is NOT a step in the scientific method?

<p>Verification of hypotheses</p> Signup and view all the answers

What characteristic defines a substance as an acid?

<p>Produces hydrogen gas when reacted with a metal</p> Signup and view all the answers

Relative atomic mass (Ar) is based on which scale?

<p><strong>Carbon-12 scale</strong></p> Signup and view all the answers

Which statement best describes the energy changes in a dissolution process?

<p>Energy is absorbed from the surroundings</p> Signup and view all the answers

Isotopes of an element have the same number of:

<p>Electrons</p> Signup and view all the answers

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