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Chemistry Fundamentals Quiz

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Questions and Answers

Which of the following is a subatomic particle with a negative charge?

Electron (correct)

Isotope

Proton

Neutron

What is the number of protons in the nucleus of an atom called?

Atomic number (correct)

Mass number

Valence number

Atomic mass

What type of chemical bond involves the sharing of electron pairs between atoms?

Ionic bond

Covalent bond (correct)

Metallic bond

Hydrogen bond

Which of the following is a characteristic of a Lewis acid?

Accepts a pair of electrons Signup and view all the answers

What is the shape of a molecule with a steric number of 4 and 2 lone pairs on the central atom?

Bent Signup and view all the answers

Which of the following is a property of a basic solution?

Red litmus paper turns blue Signup and view all the answers

Study Notes

Subatomic Particles

Electrons are subatomic particles that carry a negative charge.

Protons

The number of protons in an atom's nucleus is referred to as the atomic number.

Chemical Bonds

Covalent bonds involve the sharing of electron pairs between atoms, facilitating chemical stability.

Lewis Acid Characteristics

Lewis acids are substances that can accept an electron pair from a donor, acting as electron pair acceptors in chemical reactions.

Molecular Shape

A molecule with a steric number of 4 and 2 lone pairs on the central atom has a bent or angular shape, which affects its polarity and reactivity.

Basic Solutions

Basic solutions have a pH greater than 7, indicating a higher concentration of hydroxide ions (OH⁻) compared to hydrogen ions (H⁺).

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Description

Test your knowledge of basic chemistry concepts with this quiz! Answer questions about subatomic particles, atomic structure, and chemical bonding. See how well you know your chemistry fundamentals.