TCI lesson 2: molecules and extended structures

Front

How do the 92 elements in nature relate to the formation of matter?

Back

The way the 92 elements in nature make up all matter is similar to how letters of the alphabet make words.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

What determines the atomic composition of a molecule?

Back

The types of elements and the number of atoms in each element.

Tags

NGSS.MS-PS1-1

Front

What is the difference in atomic composition between water (H2O) and hydrogen peroxide (H2O2)?

Back

Hydrogen peroxide has one more oxygen atom than water.

Tags

NGSS.MS-PS1-1

Front

What is a characteristic of extended structures?

Back

Extended structures are not a type of complex polymer.

Tags

NGSS.MS-PS1-1

Front

Why do snowflakes have a hexagonal shape?

Back

Their atomic-level structure is made up of crystals with six sides.

Front

What are molecules made of?

Back

Molecules are made of two or more atoms bonded together.

Tags

NGSS.MS-PS1-1

Front

What is the significance of atomic structure in determining the properties of a substance?

Back

The atomic structure determines the physical and chemical properties of a substance.

Tags

NGSS.MS-PS1-1

Front

What is a polymer?

Back

A polymer is a large molecule composed of repeating structural units (monomers) connected by covalent chemical bonds.

Tags

NGSS.MS-PS1-1

Front

How does the arrangement of atoms affect the properties of a material?

Back

The arrangement of atoms affects properties such as strength, flexibility, and conductivity.

Front

What is the role of hydrogen bonds in water?

Back

Hydrogen bonds give water its unique properties, such as high surface tension and specific heat.

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NGSS.HS-ESS2-5