Grade 6 states of matter and chemical reactions

A molecule is smaller than an atom.

• True
• False

Tags

NGSS.MS-PS1-1

How many Hydrogen (H) atoms are in NH₃O5

• 3
• 4
• 5
• 1

Tags

NGSS.MS-PS1-1

A molecule is________

• a glob of gelatinous goo
• smaller than an atom
• filled with raisons
• more than one atom bonded together

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

Which of the following occurs when a liquid becomes a gas?

• The particles slow down
• The particles move further away from each other
• The particles move closer together
• The particles dissolve

Tags

NGSS.MS-PS1-4

What happens when my glass of water is sitting in the sun and disappears into a gas?

• evaporation
• burning
• melting
• freezing

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Is the equation balanced?: 2H₂O + O₂ --> 4MgO + 3Fe

• Yes
• No

Tags

NGSS.MS-PS1-5

Balance this equation:
MgCl₂ --> Mg₄+ Cl₂

• It's already balanced.
• 4MgCl₂ --> Mg₄+ 4Cl₂
• 4MgCl₂ --> Mg₄+ 5Cl₂

Tags

NGSS.MS-PS1-5

Balance this equation:
 2Li + Cl₂ -> LiCl

• 2Li + Cl₂ -> 4LiCl2
• 2Li + Cl₂ -> LiCl₂
• 2Li + Cl₂ -> 2LiCl

The substance that does the dissolving

• Solute

• Solvent

• Solution

• Miscibility