CHEMISTRY SABIS GRADE 12 chapter two Quiz 2

Which scientist proposed the Law of Conservation of Mass?

• John Dalton

• J.J. Thomson

• Ernest Rutherford

• Amedeo Avogadro

What are the subatomic particles found in an atom?

• Electrons, protons, and isotopes

• Neutrons, electrons, and cations

• Protons, neutrons, and electrons

• Isotopes, cations, and anions

What is the charge of an electron?

• Neutral

• Variable

• Positive

• Negative

Which model of the atom proposed that electrons are embedded in a positive sphere?

• Dalton's model

• Bohr's model

• Rutherford's model

• Thomson's model

What is the atomic number of an element?

• Number of neutrons

• Number of protons

• Number of isotopes

• Number of electrons

What is the term used for atoms of the same element with different numbers of neutrons?

• Isomers

• Isotopes

• Isobars

• Isotones

What type of bonding involves the sharing of electrons between atoms?

• Metallic bonding

• Ionic bonding

• Hydrogen bonding

• Covalent bonding

Which type of compound is formed by the transfer of electrons from a metal to a nonmetal?

• Ionic compound

• Metallic compound

• Molecular compound

• Covalent compound

What is the name given to a positively charged ion?

• Isotope

• Polyatomic ion

• Cation

• Anion

Which group of the periodic table contains the noble gases?

• Group 18

• Group 1

• Group 2

• Group 17