LCT KIMIA Quiz - STRUKTUR ATOM

What is a chemical reaction?

• A chemical reaction is a process that involves the transformation of one substance into another substance.

• A chemical reaction is a process that involves the transformation of one or more substances into different substances with different properties.

• A chemical reaction is a process that involves the separation of substances into their individual components.

• A chemical reaction is a process that involves the combination of two or more substances to form a new substance.

What are the different types of chemical reactions?

• acid-base, precipitation, substitution, addition, elimination, and isomerization

• oxidation, reduction, hydrolysis, condensation, polymerization, and isomerization

• neutralization, hydrolysis, substitution, addition, elimination, and polymerization

• synthesis, decomposition, single displacement, double displacement, combustion, and redox

What is an atom?

• A subatomic particle

• The basic unit of matter

• A type of molecule

• A form of energy

What are the subatomic particles in an atom?

• quarks, leptons, and bosons

• protons, neutrons, and electrons

• photons, neutrinos, and positrons

• ions, molecules, and compounds

What is the atomic number of an element?

• The atomic number of an element is the number of protons in the nucleus of an atom.

• The atomic number of an element is the number of protons and neutrons in the nucleus of an atom.

• The atomic number of an element is the number of electrons in the nucleus of an atom.

• The atomic number of an element is the number of neutrons in the nucleus of an atom.

What is the atomic mass of an element?

• The atomic mass of an element is the total mass of all the atoms in a sample of that element.

• The atomic mass of an element is the mass of the most common isotope of that element.

• The atomic mass of an element is the number of protons in the nucleus of an atom of that element.

• The atomic mass of an element is the average mass of the atoms in a sample of that element.

What is the periodic table?

• A chart showing the phases of the moon.

• A list of common household items.

• A tabular arrangement of chemical elements.

• A diagram of the human body's organs.

How is the periodic table organized?

• Based on the atomic number of elements

• Based on the number of protons in elements.

• Based on the atomic mass of elements.

• Based on the alphabetical order of elements.

What is chemical bonding?

• The process by which atoms are held together in a molecule or compound through the sharing, transferring, or rearranging of electrons.

• The process by which atoms are held together in a molecule or compound through the gravitational force.

• The process by which atoms are held together in a molecule or compound through the attraction of opposite charges.

• The process by which atoms are held together in a molecule or compound through the repulsion of like charges.

What are the different types of chemical bonds?

• hydrogen bonds

• polar bonds

• van der Waals forces

• ionic bonds, covalent bonds, and metallic bonds