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Introduction to Matter, Atoms, and Atomic Structure

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Introduction to Matter, Atoms, and Atomic Structure

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Questions and Answers

Which of the following is NOT a fundamental property of matter?

Color (correct)

Mass

Occupies space

Volume

What is the primary difference between atoms and molecules?

Atoms are made of protons and neutrons, while molecules are made of only neutrons.

Atoms have a defined shape and size, while molecules do not.

Atoms are electrically neutral, while molecules can be charged.

Atoms are the basic units of matter, while molecules are formed by the chemical combination of atoms. (correct)

Which of the following is a characteristic of isotopes?

Isotopes have different numbers of neutrons in the nucleus. (correct)

Isotopes have different numbers of electrons orbiting the nucleus.

Isotopes have different atomic numbers.

Isotopes have different numbers of protons in the nucleus.

Which type of chemical bond involves the complete transfer of electrons between atoms?

Ionic bond Signup and view all the answers

What is the relationship between the mass number (A) and the atomic number (Z) of an atom?

The mass number is equal to the sum of the atomic number and the number of neutrons. Signup and view all the answers

Which branch of chemistry deals with the study of energy changes in chemical reactions?

Physical Chemistry Signup and view all the answers

What does equilibrium constant (Kc) measure in a chemical reaction?

Extent of the reaction at equilibrium Signup and view all the answers

In a redox reaction, what process involves the gain of electrons?

Reduction Signup and view all the answers

What determines the solubility of a substance in a solution?

Temperature, pressure, and nature of solute and solvent Signup and view all the answers

Which type of reaction involves balancing chemical equations and determining limiting reactants?

Combustion Reactions Signup and view all the answers