Chemical Reactions

Which is the name of the kind of solid substance formed in this figure?  

• aqueous 
• precipitate
• acid
• synthesis 

Tags

NGSS.MS-PS1-2

An element plus additional element reacts to form one product is an example of which type of chemical reaction? 

• combustion
• decomposition 
• synthesis 
• single replacement

Describes the number of molecules in a compound and is used to balance a chemical reaction. 

• coefficient 
• subscript
• superscript
• SI unit

Tags

NGSS.MS-PS1-5

Which type of reaction takes place in the presence of oxygen and produces carbon dioxide and water?

• double replacement 
• decomposition 
• combustion 
• single replacement

Tags

NGSS.MS-PS1-2

a substance that is formed as the result of a chemical reaction

• Product 
• Reactant
• Starters
• Enders

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

an atom or molecule which has gained or lost one or more of its valence electrons

• Covalent Bond
• Chemical Formula
• Ion
• Compound

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

bond in which one or more electrons from one atom are removed and attached to another atom, resulting in positive and negative ions which attract each other

• Covalent Bond
• Ionic Bond
• Reaction Bond
• Null Bond

Tags

NGSS.HS-PS1-2

one element loses an electron to another

• Share Electrons
• Transfer Electrons

2 NaBr + 1 Ca(OH)₂ ----> 1 CaBr₂ + 2 NaOH

• Synthesis (or combination)
• Decomposition
• Single displacement
• Double displacement

Tags

NGSS.MS-PS1-5

CaCO₃ ----> CaO + CO₂

• Synthesis (or combination)
• Decomposition
• Single displacement
• Double displacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5