Chemical Bonding

What is a covalent bond?

• A type of bond that involves the transfer of electrons between atoms.

• A type of chemical bond that involves the sharing of electron pairs between atoms.

• A bond that occurs between metal and non-metal atoms.

• A weak attraction between molecules.

What is an ionic bond?

• A type of bond formed by sharing electrons between atoms.

• A type of bond that occurs when one atom transfers electrons to another atom, resulting in the formation of ions.

• A bond that only occurs in metals.

• A weak attraction between molecules.

What is the relationship between the number of protons and electrons in a neutral atom?

• In a neutral atom, the number of protons equals the number of electrons.

• In a neutral atom, the number of protons is greater than the number of electrons.

• In a neutral atom, the number of protons is less than the number of electrons.

• In a neutral atom, the number of protons and electrons can vary independently.

What is the charge of a potassium ion after losing one electron?

• 0

• +1

• -1

• +2

What are the two main types of chemical bonds?

• Ionic bonds and covalent bonds

• Metallic bonds and hydrogen bonds

• Van der Waals forces and dipole-dipole interactions

• Covalent bonds and coordinate bonds

What is a stable ion?

• An atom that has lost or gained electrons to achieve a full outer shell, resembling the electron configuration of a noble gas.

• An atom that has an equal number of protons and electrons, making it neutral.

• An atom that has gained additional protons, resulting in a positive charge.

• An atom that has not undergone any chemical reactions and remains unchanged.

How do you determine the total number of atoms in a compound?

• By multiplying the subscripts of each element in the chemical formula.

• By adding the subscripts of each element in the chemical formula.

• By counting the number of different elements in the compound.

• By dividing the total mass of the compound by the atomic mass of each element.

How many electrons are typically shared in a double bond?

• 2 electrons

• 3 electrons

• 4 electrons

• 5 electrons

What is the octet rule?

• Atoms tend to form bonds to achieve a full outer shell of eight electrons.

• Atoms can have any number of electrons in their valence shell.

• The octet rule states that atoms can only bond with other atoms of the same element.

• Atoms do not form bonds and remain as individual entities.

What is the significance of valence electrons in bonding?

• They are the innermost electrons of an atom.

• They are involved in forming bonds with other atoms.

• They determine the mass of the atom.

• They are responsible for the color of the atom.