Performance Task: Periodic Properties Evaluation

Front

What are periodic properties in chemistry?

Back

Periodic properties are characteristics of elements that show a regular pattern when arranged by increasing atomic number, such as atomic radius, ionization energy, and electronegativity.

Front

What is a particle diagram?

Back

A particle diagram is a visual representation of the arrangement and behavior of particles in a substance, used to illustrate properties like melting point and state of matter.

Front

What does a high melting point indicate about a substance's bonding?

Back

A high melting point typically indicates strong intermolecular forces or ionic/covalent bonding in the substance.

Front

What is the charge of a Lithium ion (Li)?

Back

The charge of a Lithium ion is +1.

Front

Define valence electrons.

Back

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

Front

What type of ions do metals typically form?

Back

Metals typically form positively charged ions (cations) by losing electrons.

Front

Which metal is the most reactive among Potassium, Sodium, Magnesium, and Gold?

Back

Potassium is the most reactive metal among the options provided.

Front

What is ionization energy?

Back

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

Front

How does atomic radius change across a period?

Back

Atomic radius decreases across a period from left to right due to increased nuclear charge pulling electrons closer to the nucleus.

Front

What is electronegativity?

Back

Electronegativity is a measure of an atom's ability to attract and hold onto electrons in a chemical bond.