MP2: Six weeks test regular CHEM 2024-2025

Front

What is the organization of periods in the periodic table?

Back

Periods in the periodic table are organized from left to right by their atomic number.

Front

True or False: Valence electrons are found closest to the nucleus of an atom.

Back

False. Valence electrons are found in the outermost shell of an atom.

Front

What is a characteristic that is NOT typical of metallic compounds?

Back

Solubility in water is NOT a characteristic of metallic compounds.

Front

How many valence electrons does the element represented by [Ne] 3s² 3p⁵ have?

Back

Seven valence electrons.

Front

What property of metallic compounds allows them to be hammered into shapes?

Back

Malleability allows metallic compounds to be hammered into shapes.

Front

Define atomic number.

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What are valence electrons?

Back

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

Front

List three properties of metallic compounds.

Back

1. Conductivity (thermal and electrical) 2. Malleability 3. Ductility

Front

What is the significance of the periodic table's arrangement?

Back

The arrangement of the periodic table reflects the periodic trends in element properties, such as electronegativity, ionization energy, and atomic radius.

Front

What is malleability in the context of materials?

Back

Malleability is the ability of a material to deform under compressive stress, allowing it to be shaped or formed.