Measurements
What type of units are used for granulated cylinders
ml(militers
Find the formula for density
Density =mass/volume
What particle is positive Electrons, Protons, Neutrons
Protons
Define mixture
Two or more pure substances physically mixed
T or F ( blood is a heterogeterogeneous mixture)
True
What instrument is used for finding the weight of an object
Balance
What is the molecular formula for water
H2O
What is the symbol of Iron on the periodic table
Fe
Is steel a homogeneous mixture
Yes
How do you calculate density from a graph
mass/volume
To find the weight of copper sulfate
g(grams)
Which is the chemical formula for salt NaCl or CO2
NaCl
Where is the neutron located in the nucleus or floating area
Nucleus
Is a molecule consisting of atoms of only one element a compound
No
Define the separation of mixtures
the procedure of physically separating the mixtures components or inorganic components that are present
What measurement is used to find the density of water
1g/ml
What formula is used to find the frequency of the speed of light
f= 3.0 x 108 (m/s) /wavelength (m)
What is an Isotope
Atoms of the same element with different masses/numbers of neutrons
What unit is used to calculate an elements atomic mass
amu
Explain how Chadwick discovered the neutron
He conducted an experiment in which he attacked beryllium with alpha particles produced by natural radioactive decay of polonium. High radiation penetrated through a lead shoe was seen.