Atoms & Molecules

Atoms bond together in different ways to make ________________.

• Substances

• Matter

• Molecules

Tags

NGSS.MS-PS1-1

Which of the following chemical formulas represents a compound? 

• C₃
• O₂
• CH₃CHO
• H₂

Tags

NGSS.MS-PS1-1

Which statement best describes an element?

• made from mixture 
• thousands in the world
• pure, made of only one type of atom

• can be separated 

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

What is the term for combining 2 or more atoms together?

• atoms
• elements
• molecules
• compounds

Tags

NGSS.MS-PS1-1

What is the term for combining 2 or more DIFFERENT atoms together?

• atoms
• elements
• molecules
• compounds

Tags

NGSS.MS-PS1-1

Are these molecules also compounds?

• YES
• NO

Tags

NGSS.MS-PS1-1

Are these molecules also compounds?

• YES
• NO

Tags

NGSS.MS-PS1-1

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

How many atoms are there in a molecule?

• no atoms
• 1 or more atoms
• 2 to thousands of atoms
• exactly 18 atoms

Tags

NGSS.MS-PS1-1