Water
Matter
atomic chemistry
Periodic table
Nuclear Chemistry
100
This is the percent of water in Earth
What is 70%?
100
this is a solid,liquid,or gas that possesses inertia and is capable of occupying space
What is matter?
100
This negatively charged particle can be shared among atoms
What is an electron?
100
This is the name of the elements in the 18th Group
What are Noble gasses?
100
these are the three types of radiation rays
What is Alpha, Beta, and gamma rays
200
These are the properties of water that contribute to earth's suitability as an environment for life
What is cohesive behavior, adhesive behavior, ability to moderate temperature, expansion upon freezing, and versatility as a solvent?
200
this is a substance that consists of two or more elements bonded together in definite proportion(hint: Na2Cl)
What is a compound?
200
how many electrons can fit on the first valence shell?
What is 8
200
This is the only liquid metal at room temperature, and used to be used in Thermometers
What is Mercury?
200
Average time it takes for half the amount of a radioactive element to decay
What is Half-Life
300
This is water's unique's shape
What is two hydrogen atoms and one oxygen atom which form covalent bonds to make a slightly wide V shape
300
this is a theory which states that all molecules are in constant motion and the motion is different for the three states of matter
What is the kinetic molecular theory?
300
This Greek philosopher created the first atomic theory
who is democritus?
300
This is how many valence electrons there are in the elements in the 14th group.
What is 4?
300
this is when mass changes to energy
What is a nuclear reaction
400
These are the earliest known lifeforms on earth
What is aquatic bacteria?
400
this is a class of materials that exhibit the properties of conductivity, malleability, reactivity, and ductivity
What are metals?
400
Physicists used these in experiments to discover more about atomic theory
What is electromagnetism and radioactivity
400
This element is the most abundant gas in our atmosphere.
What is Nitrogen?
400
these two things are nuclear reactions and release high amounts of energy
What is fusion and fission
500
This is the attraction of the oxygen atom in one water molecule to the hydrogen atom in another
What is polarization?
500
as ice is melting the temp of the system:________
What is the temperature remains the same?
500
This law states that equal volumes of all gases, at the same temperature and pressure have the same number of molecules
What is avogados law
500
Named after the woman who discovered it, this element (Cm) has an atomic mass of 247 and is a solid a room temperature.
What is Curium?
500
Productive uses for nuclear chemistry
What are medicine, energy, food irradiation
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