Atoms
Periodic Table
Properties
Chemical Equations
Chemical Reactions
100
This determines the element's identity-
What is the proton?
100
Most of the periodic table is made up of these-
What are metals?
100
Changing phases of matter is a good example of this-
What is a physical property?
100
Substances used to produce a chemical reaction-
What are reactants?
100
Gas produced, change in temperature, change in color-
What are signs of a chemical reaction?
200
Boron has 5 protons, 5 electrons and a mass of 10.81. This is how many neutrons Boron has-
What is 6 neutrons?
200
These do not react because they are chemically stable-
What is the noble gases, group 18?
200
Physical properties are categorized on the periodic table by-
What are metals, metalloids, nonmetals?
200
Atomic bonds are broken apart and rearranged to form-
What are products?
200
This determines the chemical reactivity of an element-
What are valence electrons?
300
The smallest particle of an atom-
What is an electron?
300
Arranged by valence electrons and chemical properties-
What are groups?
300
Autumn leaves changing on a tree are a good example of-
What is a chemical property of trees?
300
Assuming these numbers are subscripts and coefficients: 2li + 2H2O yields 2LIOH + H2 This reaction produced this many Hydrogen atoms -
What are 4 Hydrogen atoms?
300
The mass of the reactants will equal the mass of the product-
What is The Law of Conservation of Mass?
400
The nucleus makes up the _________________ of the atom
What is the Mass of the atom?
400
Arranged by orbital shells, energy levels-
What are periods?
400
In a chemical reaction, a new substance is formed with-
What are new properties different form the reactants?
400
2li + 2H2O yields 2LIOH + H2 There are this many formulas in the reactants-
What are 2?
400
A student measures the temperature of a chemical reaction. He noticed the temperature increased-
What is an exothermic reaction?
500
Most of the atom is made up of this-
What is Empty Space?
500
These are semiconductors-
What are metalloids?
500
This term is used when describing chemical properties of two liquid substances that form a solid when combined-
What is precipitate?
500
Two clear liquids are combined, energy is used to break atomic bonds. This is a good example of-
What is an endothermic reaction?
500
Fredrick combined 5 grams of 2Nacl with 2 grams of 2H2O molecules. He knew his product would yield this -
What is 7 grams of product?
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