Chem 1
Name 2 Intensive Properties.
What is Reactivity, Flammable, etc.
Name 2 Physical Properties.
What is state, density, color, shape, smell, etc.
Name 2 chemical properties.
What is reacts with oxygen, burns, fizzes with water, etc.
A thermometer measures what?
What is temperature.
A clock measures what?
What is time.
The nucleus contains what 2 particles?
Name 2 extensive properties.
What is volume, length, mass, etc.
What is most likely to be modified or discarded? Hypotheses, Laws, or Theories?
What is the SI unit for temperature?
What is Kelvin.
Where are the electrons located?
What is outer orbitals.
How can you tell that an isotope of an atom belongs to the same element?
What is must have the same number of protons.
The most common state of matter in the universe.
What is plasma.
What is a common reason that theories can be discarded or changed?
What is new evidence does not support old theory.
What do homogeneous and heterogeneous mixtures have in common?
In Mendeleev's table of elements, what were the blank spots for?
What is undiscovered elements.
Mosely arranged the elements according to what?
What is atomic number.
What is a scientific consensus?
What is when most scientists agree on the same opinion.
How was Bohr's model different from Rutherford's?
What is Bohr's model showed that electron orbits had distinct radii.
Bromine belongs to the halogen family. Based on the location of the halogens, how many valence electrons does bromine have?
In the cathode ray tube experiment, what 2 things did J.J. Thompson discover?
What is atoms can be divided into smaller parts, atoms contain electrons.
Name the 7 steps of the Scientific Theory.
What is MAKE OBSERVATIONS, ASK QUESTIONS, CONSTRUCT HYPO., TEST HYPO., ANALYZE RESULTS, EXPLAIN RESULTS, COMMUNICATE RESULTS.
This group of elements in the periodic table do not react naturally with other elements.
What is noble gases.
This group of elements in the periodic table are very reactive with nonmetals.
What is halogens.
Draw the electron dot diagram for Fluorine.
What is 7 valence electrons, evenly distributed around F.
This group of elements in the periodic table are usually solid at room temp.
What is alkali metals.