Kinetic Molecular Theory
What is an example of a solid?
Multiple answers: a sugar cube, an ice cube, a table, a chair, etc.
What is matter made up of?
Atoms.
What element has the sign H?
Hydrogen.
True/false. Compounds are found on the periodic table and cannot be separated into smaller substances.
False.
Chocolate chip cookies are an example of a..?
Heterogeneous mixture.
Which state of matter has the highest energy?
Gas
True or false. Each substance is made up of unique particles that are different from the particles of other substances.
True
What is the sign for Copper?
Cu
Name the two types of mixtures.
Homogeneous and heterogeneous.
Magnesium (Mg) is an example of a...?
Element
Which state of matter has particles that are CLOSEST together?
Solid
True or false. Particles are not in constant motion.
False.
True/false. The row of elements the farthest on the right is called the "noble gases."
True.
Which can be separated easily out of: elements, compounds, homogeneous mixtures, heterogeneous mixtures.
Homogeneous and heterogeneous mixtures.
Salt water is an example of a...?
Homogeneous mixture.
How do particles in a liquid form interact?
The particles are close together and slide against each other.
Which temperature of particles move at a faster rate?
Particles at a higher temperature.
False.
In which are the chemical properties constant?
Pure substances.
True/False. Vinegar (CH3COOH) and table salt (NaCl) are examples of compounds.
True
Order the three types of matter from lowest amount of energy to highest amount of energy.
Solid, liquid, gas.
How are particles held together?
By strong attractive, electric forces.
True/false. Hydrogen, carbon, nitrogen and oxygen are the four most common elements found in the human body.
True.
Which can only be broken down by chemical means and create new substances with their own chemical properties?
Compounds.
Sort into element, compound, homogeneous mixture and heterogenous mixture: Carbon (C), Salad, Sugar water, Sea Shells (CaCO3).
Carbon: Element.
Sea Shells: Compound.
Sugar water: Homogenous mixture.
Salad: Heterogeneous mixture.