Purposeful Design Chapter 2.1

Front

A substance's ability to be drawn or pulled into the form of a wire is known as ______.

Back

Ductility: The property of a material that allows it to be stretched into a wire without breaking.

Front

A majority of the actinide series elements are ______.

Back

All of the above: Most actinides are synthetic, radioactive, and difficult to study.

Tags

NGSS.HS-PS1-8

Front

How many valence electrons do alkaline-earth metals have?

Back

Two: Alkaline-earth metals have two valence electrons in their outer shell.

Tags

NGSS.HS-PS1-2

Front

Copper is the best conductor of electricity. True or False?

Back

False: Silver is the best conductor of electricity, not copper.

Front

Transition metals contain valence electrons that exist in only one shell. True or False?

Back

False: Transition metals have valence electrons in more than one shell.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What is malleability?

Back

Malleability: The ability of a material to be hammered or pressed into shape without breaking.

Front

Define metallic bond.

Back

Metallic bond: A type of chemical bond that occurs between metal atoms, characterized by a 'sea' of delocalized electrons.

Front

What are valence electrons?

Back

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Tags

NGSS.HS-PS1-1

Front

What are actinides?

Back

Actinides: A series of 15 chemical elements from actinium to lawrencium, known for their radioactivity.

Tags

NGSS.HS-PS1-8