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Atomic Stucture
Experimental Design
Period-ic-ity
Acids & Bases
100
The part of an atom where you may find protons and neutrons.
What is the nucleus?
100
The variable which is manipulated or changed in each trial of an experiment.
What is an independent variable?
100
A family of metal elements found in Group 2 on the PToE.
What are the alkaline earth metals?
100
The modern guide/graphic for expressing the acidity or alkalinity of substance.
What is the pH scale?
200
Tiny negatively charged particles which zip-around the various orbitals outside of the nucleus.
What is an electron?
200
The scientific term for information gathered from observation of our dependent variable.
What is data?
200
A family of non-metal elements all of which have a full outer shell.
What are the noble gases?
200
The number which represents the most highly concentrated bases, like those found in drain cleaner.
What is fourteen?
300
The charge associated with an atom's nucleus.
What is a positive charge?
300
The term for gathering information via the use of our 5 senses.
What is observation?
300
The proper name for semiconductor elements, found along the step-line on the PToE.
What are metalloids?
300
H30+ ions on which form when acids are dissolved in water.
What is hydronium?
400
The particles represented by dots on a Lewis dot diagram. (Be specific)
What are outer shell electrons?
400
A factor that does not change over the course of an experiment.
What is a control?
400
The number of electrons found in the outer-most shell of the halogen family.
What is seven?
400
The numbers on the pH scale most often displayed when we test rain water. (Between pH X and pH X)
What is between pH 5 and pH 6.
500
This Danish chemist believed the structure of an atom was analogous to planets orbiting a star.
Who is Niels Bohr?
500
Multiple versions of identical experiments, used to ensure accuracy in data gathering.
What is a replicate?
500
The only member of the Group 1 which does not react violently with water.
What is hydrogen?
500
The chemical formula for hydroxide ion, the ion associated with a dissolved base. (Include the charge)
What is OH-?