Atoms
Radiation
Chemical Reactions
Acid/Base
pH and Misc.
100
The part of an atom with a positive charge.
What is a proton?
100
The time taken for the radioactivity of a specified element to fall to half its original value.
What is half-life?
100

One of the 3 main reactions in the living world

What is combustion, photosynthesis and respiration?


100
A measure of the acidity or alkalinity of a solution, stands for "power of hydrogen."
What is pH?
100

Approximate pH of vinegar

What is a 1-3?

200
The part of an element with a negative charge.
What is an electron?
200
The radioactive nuclear reaction that takes places in the sun.
What is fusion?
200

Reaction that uses suns energy for glucose production.

What is a photosynthesis?

200
A hydrogen containing compound that splits in water to give hydrogen ions, has a pH lower than 7.
What is an acid?
200

Added to soil to make it less acidic. 

What is lime?

300
The part of an atom with a neutral charge.
What is the neutron?
300
The splitting of atoms into smaller parts.
What is Fission?
300

Reaction for using glucose to make energy

What is a cellular respiration?

300
A base that dissolves in water to form an hydroxide ion, has a pH higher than 7.
What is an alkali?
300

Eaten to help with indigestion

What is Antacid?

400
The atomic number.
What is the number of protons in an atom?
400
Three different types of radioactive decay.
What is Alpha, Beta, and Gamma radiation?
400

Reaction for when something is burnt.

What is combustion?

400
The chemical formula for Hydrochloric acid.
What is HCl?
400
Types of Radiation

What is alpha, beta and gamma?

500
An atom that has a charge because it gained or lost an electron.
What is an ion?
500
Atoms of the same element with a different number of neutrons.
What is an isotope?
500

6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

What is photosynthesis?

500
A type of neutralized compound that is formed when an acid and a base react.
What is a salt?
500

The time taken for the radioactivity of a specified isotope to fall to half its original value.

What is half life?

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