Atomic Structure
Periodic Table
Chemical Bonds
Solutions and Mixtures
Chemical Reactions
100
The positive charge in an atom.
What is a proton?
100
This is another name for a row on the periodic table.
What is period?
100
This type of bond happens when atoms share electrons.
What is covalent?
100
A mixture where you can see the individual parts.
What is a heterogeneous mixture?
100
These are the two parts of a chemical reaction in a chemical equation.
What are the reactants and the products?
200
The negative charge in the atom.
What is the electron?
200
This is another name for the columns on the periodic table.
What are groups?
200
This type of bond happens when atoms give or take electrons.
What is ionic bonds?
200
A mixture where everything looks the same, even though it is made up of separate parts.
What is a homogeneous mixture?
200
A reaction that releases thermal energy.
What is an exothermic reaction?
300
The atomic number tells us how many of these are in an atom.
What is proton or electron?
300
Elements in the same group on a periodic table have the same number of these in the outer shell.
What are electrons?
300
This type of bond happens when electrons move freely between atoms.
What is pooling?
300
Two or more substances that bond together to create a new substance.
What is a compound?
300
A reaction that absorbs thermal energy.
What is an endothermic reaction?
400
The inner shell on an atom can hold this many electrons.
What is 2
400
This group has the most reactive metals.
What is the Alkali Metals?
400
Atoms of the same element that have different numbers of neutrons are called this.
What are isotopes?
400
The thing that is being dissolved in a solution.
What is a solute?
400
The amount of energy needed to start a chemical reaction.
What is activation energy?
500
Adding the mass of the protons and neutrons gets us this number.
What is the atomic mass?
500
Elements on the left side of the periodic table are called this.
What are the metals?
500
This is the purpose of all atoms when they bond.
What is to become stable?
500
The thing that is doing the dissolving in a solution.
What is a solvent?
500
A solid that is formed in a chemical reaction.
What is a precipitate?
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