Chemical Bonding
Chemical Reactions 1
Chemical Reactions 2
Elements, Compounds, & Atoms
Surprise
100
1.100 An interaction that holds 2 or more atoms together
What is a chemical bond
100
2.100 The 2 parts of a chemical reaction?
What is reactants and products
100
3.100 The difference between a single replacement and a double replacement reaction
What is Single: replace 1 atom & double: replace 2 atoms
100
4.100 A substance that cannot be separated or broken down into simpler substances by chemical means
What is an element
100
5.100 The smallest unit of a substance that keeps all of the physical & chemical properties of a substance
What is molecule
200
1.200 Determines the type of chemical bond an atom will form
What is valence electrons
200
2.200 Process by which atoms or groups of atoms is redistributed, resulting in a change in the molecular composition of substances.
What is chemical reaction
200
3.200 In what type of chemical reaction is energy released?
What is exothermic
200
4.200 Different elements chemically combined
What are compounds
200
5.200 Name 3 properties of metals that occur due to metallic bonds.
What is 1. Conduct electricity, 2. Reshape into wires (ductility) or sheets (malleability), 3. Bend without breaking
300
1.300 Charged particles that form when atoms gain or lose electrons
What are ions
300
2.300 Law that states that in a chemical reaction, matter is neither created or destroyed
What is Law of conservation of mass
300
3.300 In what type of chemical reaction is energy absorbed?
What is endothermic
300
4.300 The smallest unit of an element
What is an atom
300
5.300 Energy needed to start a chemical reaction
What is activation energy
400
1.400 The type of bond forms when atoms gain or lose electrons?
What is ionic
400
2.400 The type of chemical reaction that combines 2 or more substances to form a new larger one?
What is synthesis
400
3.400 An example of an exothermic reaction
What is fire
400
4.400 The smallest unit of a compound
What is a molecule
400
5.400 A substance that changes the rate of a chemical reaction without being used up or changed
What is catalyst
500
1.500 The type of bond forms when atoms share electrons?
What is covalent
500
2.500 The type of chemical reaction that breaks down complex substances into simple ones
What is decomposition
500
3.500 An example of an endothermic reaction
What is an ice pack
500
4.500 A combination of two or more substances that are not chemically combined.
What is a mixture
500
5.500 If concentration, surface area, and temperature are increased in a chemical reaction are increased what happens to the rate of the reaction
What is speeds up
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