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Atoms
Mix it up 2
History
Modern Theory
Mix up
100
has a charge of -1
What is a electron
100
I have a definite volume but variable shape
What is a liquid
100
Invisible or not to be cut
What is the greek meaning of the word atomos?
100
I created a model that says that electrons orbit the nucleus as planets orbit the sun
Who is Neils Bohr
100
cannot be broken down; has a fixed composition because it contains only one atom
What is an element
200
Neutral charge
What is the charge that all atoms have?
200
the constant motion of particles
What is kinetic energy
200
objects with the same charge behave this way when they come too close to each other
what is repel
200
can be described as steps in a staircase
What are energy levels.
200
makes reading large numbers easy
What is scientific notation?
300
protons, neutrons, and electrons
What are the subparticles of an atom?
300
melting, freezing, vaporization, condensation, sublimation, and deposition
What are the 6 common phase changes.
300
I used wooden spheres to explain that each atom is represented by a tiny, solid sphere with a different mass
Who is John Dalton?
300
a region of space around the nucleus where an electron is likely to be found
What is an orbital
300
the resistance to flowing
What is viscosity
400
atoms of the same element that have different numbers of neutrons and different mass numbers
What are isotopes?
400
temperature, volume and number of particles
What are the factors that affect gas pressure
400
the particle used as "bullet" in the gold foil experiment which discovered the nucleus
alpha, alpha particles or helium nucleus
400
18 electrons and 9 orbitals
What is energy level number 3
400
two process that is used to separate mixtures
What is filtration and distillation
500
I discovered the electron after I conducted this experiment that some people find at their dinner tables for desert.
Who is JJ Thomson?
500
states that the volume of a gas is directly proportional to its temperature in kelvins if the pressure and the number of particles of gas are constant
What is Charles's Law
500
Aristotle thought that all substances were built up from
What is the four elements; earth, wind, fire and rain
500
the most ______ electron configurations is the one in which the elcetrons are in orbitals with the lowest possible energies.
What is stable?
500
name the scientific method
What is make an observation, ask a question, develop a hypothesis, test hypothesis, analyze data and draw conclusions and develop a theory