Nature of Science
Chemistry
Periodic Table
Scientists
Which is Greater
100
measure of a distance
length
100
Lucky Charms are an example of what type of mixture?
Heterogeneous
100
The periodic table is arranged according to increasing _________________.
atomic number
100
Said the atom is a sea of positive charge with negative charges scattered throughout
Thomson
100
viscosity of maple syrup viscosity of a soda
maple syrup
200
Used to measure the volume of a liquid
Graduated Cylinder
200
The study of substances and how they react with one another
Chemistry
200
If an atom gains an electron is has a ____________ charge
negative
200
Performed experiment with gold foil which led to the discovery of the positively charged nucleus.
Rutherford
200
number of metal on periodic table number of non metals on periodic table
metals
300
Basic unit to measure a liquid volume
Liter
300
smallest piece of an element that retains the properties of that element
atom
300
Atoms of the same element that have different mass numbers are called ________________
isotopes
300
Arranged the periodic table by increasing atomic mass
Mendeleev
300
10 cubic cm 10 cubic m
10 cubic m
400
Study of life (not a physical science)
Biology
400
A chemical combination of 2 or more elements
Compound
400
What tends to happen to fluorine's valence electrons
gain 1 electron
400
Stated that all that exists is atoms and empty space
Democritus
400
density of 1g of gold density of 100g of gold
equal
500
Anything that has a mass and volume
Matter
500
Which of the following is a metal C Cl Cr P
Cr
500
What are the B group elements called?
transition metals
500
Used X-rays to determine an atoms atomic number
Moseley
500
123 mm 1.23 cm
123mm
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