Chapter 1
__ is anything that has mass and takes up space.
What is Matter
During ________, particles of a solid do not pass through the liquid state as they form gas.
What is sublimation
Group 1 on the periodic table is called ______ _____.
What is Alkali metals
Atoms form bonds when they share or transfer ____.
What is electrons.
A mixture is classified as a _____, _____, or ________ based on the size of its largest particles
A mixture is classified as a solution, colloid, or suspension based on the size of its largest particles.
The amount of space that matter occupies is called __.
What is volume
____ occurs when the particles in a liquid gain enough energy to move independently.
What is vaporization
How many valence electrons does silicon have?
What is 4
The only sure evidence of a chemical reaction is that one or more new _______ are produced.
What is substances.
You can change the concentration of a solution by adding ____.
What is solute
A(n) ____ is a substance that cannot be broken down into any other substances by chemical or physical means.
What is element
______ ______ is an inward force, or pull, among the molecules in a liquid that brings the molecules on the surface closer together.
What is surface tension
What happens when an alkali metal is combined with a halogen?
They both would become stable because the alkali metal would lose an electron and the halogen would gain one.
_____ ______ _____ ______ _____, states that during a chemical reaction, matter is not created or destroyed. (Word for word no exceptions)
What is the law of conservation of mass
_____ are compounds with specific characteristic properties.
What is acids
A__ __ is a characteristic of a substance that can be observed without changing it into another substance.
What is Physical property
Solids that are made up of crystals are called ______ _____.
What is crystalline solids
An ____ _____ is the attraction between two oppositely charged ions.
What is ionic bond
Another chemical property is a material's ability to burn in the presence of oxygen. This property is called ______.
What is flammability
What number does baking soda fall on in the pH scale?
What is 8
The fact that matter is not created or destroyed in any chemical or physical change is called ______. (Daily double) (List word for word no exceptions)
What is law of conservation of energy
In ____ ____ the particles are not arranged in a regular pattern.
What is amorphous solids
_______ ______ is an attraction between a positive metal ion and the electrons surrounding it.
What is metallic bond
A ______ increases the reaction rate by lowering the activation energy needed.
What is catalyst
When mixed together, acidic and basic solutions produce a more _____ ______.
What is neutral solution