Chemistry Quiz

What is the term for the tendency of an atom to attract electrons when chemically bonded to another atom?

• Electronegativity

• Covalent bonding

• Octet Rule

• Ionic bonding

What is the term for a 3-D, repeating pattern of + and - ions, formed by an ionic compound?

• Molecular Formula

• Crystal

• Aqueous

• Tetrahedral

What is the term used to describe a bond where electrons are shared equally between atoms?

• Polar

• Non-polar

• Ionic bonding

• Electronegativity

How many electrons are shared between atoms in a triple covalent bond?

• two

• three

• four

• six

Which of the following sets of atoms can be joined by a covalent bond?

• Be and F

• Na and Cl

• S and F

• Mg and Na

Why do atoms form ionic and covalent bonds?

• To attain a noble-gas electron configuration

• To become more polar

• To increase their atomic numbers

• To become ions and attract each other

• None of these

Which of the following elements does not want to have eight valence electrons?

• Magnesium

• Oxygen

• Fluorine

• Hydrogen

• Nitrogen

An ionic compound is _______.

• Composed of anions and cations

• Held together by ionic bonds

• Composed of metals and non-metals

• All of the above

Ionic compounds are normally in which physical state at room temperature?

• Gas

• Solid

• Liquid

• Plasma

• All of the above

Which is NOT a characteristic of most ionic compounds?

• They have low melting points

• They are composed of metallic and non-metallic elements

• They are likely to conduct an electric current

• They are solids

• None of the above