Chemistry Review cont.

Front

What type of bond forms between sodium (Na) and chlorine (Cl) in NaCl?

Back

Ionic bond: A bond formed between a metal and a non-metal, where electrons are transferred from one atom to another.

Front

How many valence electrons does Iodine (I) have?

Back

7: Iodine has 7 valence electrons, which are the electrons in the outermost shell that determine its chemical properties.

Front

Which element has the highest ionization energy?

Back

Fluorine (F): It has the highest ionization energy due to its small atomic size and high nuclear charge.

Front

Which compound is formed by a covalent bond?

Back

H₂O (water): A compound formed by the sharing of electrons between two non-metal atoms.

Front

Which elements are colored red on the periodic table?

Back

Nonmetals: These elements are typically found on the right side of the periodic table and include elements like oxygen and nitrogen.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond that occurs when electrons are transferred from one atom to another, resulting in the formation of ions.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds.

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom in its gaseous state.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically good conductors of heat and electricity, while nonmetals are poor conductors and can be gases or brittle solids.