Atoms and Molecules

Atoms are ______ building blocks that make up everything around us.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Ammonia comprises one nitrogen atom (N) and ______ hydrogen atoms (H).

Tags

NGSS.MS-PS1-1

How can models help us understand the atomic composition of molecules and extended structures?

Tags

NGSS.MS-PS1-1

Sodium chloride (NaCl) is an example of an ______ structure.

Tags

NGSS.MS-PS1-1

What details are not included in models?

What do models of simple molecules and extended structures allow us to visualize?

• The arrangement of different atoms
• The energy involved in bonds
• The basic structure of molecules
• The exact shape of the electron cloud

Tags

NGSS.MS-PS1-1

Models, such as drawings or 3D ball and stick, can help us understand the atomic composition of ______

Tags

NGSS.MS-PS1-1

Give an example of a simple molecule.

Tags

NGSS.MS-PS1-1

How do different types of atoms combine to form substances?

• By forming extended structures only
• By combining in various ways
• By forming simple molecules only
• By bonding with other atoms of the same type

Tags

NGSS.MS-PS1-1

What are extended structures?

• Structures with no atoms
• Structures with irregular shapes
• Structures with millions or billions of atoms
• Structures with only a few atoms

Tags

NGSS.MS-PS1-1