Chemical Reactions and Atoms

Chemical Reactions

Standard H.C.6: The student will demonstrate an understanding of the types, the causes, and the effects of chemical reactions.

E.Q. - How are chemical reactions expressed in science?

Multiple Choice

If the number of electrons in an atom changes you make a(n) __________________.

• ion
• isotope
• new element
• isomer

Multiple Choice

What do these isotopes of carbon all have in common?

• neutrons & mass number
• atomic number and neutrons
• atomic number and electrons
• protons, atomic number, and mass number

Multiple Choice

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Open Ended

How was your break?! Please state one good thing OR something you're grateful for. Please type your name after and DON'T say N/A!

Multiple Choice

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

• coefficient 
• subscript
• superscript
• SI unit

Multiple Choice

Potassium iodide is a catalyst in a chemical reaction where would this be placed when writing the chemical reaction? 

• product side
• reactant side
• above the arrow
• left out 

Multiple Choice

In this reaction, the products are...

• oxygen and water

• carbon dioxide and water

• oxygen and methane

• methane and carbon dioxide

Multiple Choice

In this reaction, the products are...

• solids

• liquids

• gases

• dissolved in water

REVIEW QUESTION TIME!

Multiple Choice

bond in which one or more pairs of electrons are shared by two atoms

• Covalent Bond

• Ionic Bond

• Reaction Bond

• Null Bond

Multiple Choice

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

Multiple Choice

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

• Covalent Bond
• Chemical Formula
• Ion
• Compound

Multiple Choice

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

• Product 
• Reactant
• Starters
• Enders

Multiple Choice

the starting materials in a chemical reaction

• Products
• Reactants
• Starters
• Enders

Multiple Choice

Describes the number of atoms in a compound of each element. 

• coefficient 
• superscript 
• subscript 
• SI unit 

Multiple Choice

the symbolic representation of a chemical reaction

• Long Hand
• Short Hand
• Electron Configuration
• Chemical Equation