Atoms
Atoms, Molecules, & Compounds
Chemical Reactions
The Periodic Table
Chemical Formulas
100
These atoms have the highest reactivity an atom can have.
What is an atom with one valence electron?
100
One or more of any atom which can be the same atom or different atoms.
What is a molecule?
100
The chemicals on the right side of the arrow in a chemical equation that are the result of the chemical reaction.
What is a product?
100
Because of its_________I know that Sulfur has six valence electrons.
What is its location on the periodic Table?
100
H2
What is a molecule?
200
The negitively charged particles that surround the nucleus of an atom.
What are electrons?
200
The number just to the right and below the atomic symbol that indicates how many atoms you have of that element.
What is a subscript?
200
The chemicals on the left of the arrow that will combine and create a chemical reaction.
What is a reactant?
200
The sum of the protons and neutrons.
What is the atomic mass of an element?
200
CH12O6
What a compound?
300
The positively charged particles on the nucleus of an atom.
What are protons?
300
The fact that calcium has two valence electrons.
What is the indicator of how reactive calcium is?
300
Heat, Light, Sound, Color Chnage, Smell, Bubbles
What are signs that a chemical reaction has occurred?
300
The six elements that make up the last family of the Periodic Table that are colorless gases and non-reactive.
What are the Noble Gases?
300
In the formula Na2SO4 it is the number 1.
What is the number of Sulfur atoms in the equation?
400
The neutrally charged particles that are in the nucleus of an atom.
What are neutrons?
400
The number that indicates how many of a molecule you have.
What is a coefficient?
400
The equal sign in a chemical equation.
What is a yield sign?
400
This changes as you move from the left to right on the Periodic Table.
What is the reactivity of the elements?
400
4Fe + 3O2 arrow 2Fe2O3
What a balanced equation?
500
39 amu
What is the mass of Potassium?
500
Two or more of any different elements bonded together.
What is a compound?
500
It states that matter cannot be created or destroyed, it can only be changed.
What is the law of conservation of mass?
500
The name of the rows on the periodic table of elements.
What are periods?
500
Two molecules made of one Copper atom, one Sulfur atom, and four Oxygen atoms.
What is the written formula for 2CuSO4?
M
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