Mixtures and solutions
A mixture where a part is distinctly seen.
What is a Heterogeneous Mixture?
Atom bonds share transfer electrons, causing [blank] to occur.
What is Bonding?
When one element trades places with another element, that is called...
What is Replacement?
True or False: Scientists can use natural resources to make synthetic materials.
What is True?
Human made materials are called...
What is Synthetic?
A mixture that has a uniform apperance.
What is Homogeneous Mixture?
You can tell when a change is happening because [list one characteristic].
What is color change, gas production, and precipitate?
When matter is free to enter or leave that is called...
What Open System?
What is one of the most common synthetic materials?
What is Plastic?
When energy is released to its surroundings in the form of heat and light, that is called...
What is Exothermic Reaction?
What happens if the temperature of a solvent is increased?
What is Increase Solubility?
When solid forms into a liquid its called...
What is Precipitate?
When matter can not enter freely, that is called...
What is Closed System?
What are the two main characteristics of polymers?
What are strong and flexible?
When a heterogeneous mixture separates on its own, that is called a...
What is Colliod?
True or False: solutes raise the boiling point and lower the freezing point.
What is True?
Activation energy is the [blank] amount of energy needed for a reaction to start.
What is Minimum?
What is the name of the numbers in front of reactants that tell how many reactant particles are formed?
What are Coefficients?
What is Pure Substance?
When molecules make up a long chain of repeating units, it's called...
What is Polymer?
Can a mixture be separated?
What is Yes?
Chemical changes happen when...
What is Bonds Break?
What are the 3 features of a chemical reaction?
What are the elements, identities of the molecules involved, and whether the molecules are products or reactants?
During what type of reaction do molecules move around to make synthetic materials.
What is Chemical Reaction?
When the total amount of matter does not change during a chemical reaction, that is called...
What is Law of Conservation of Mass?