Periodic Table
What atomic number is iron
26
what is the basic building block of matter
an atom
How do you calculate density
M divided by V
What are the three basic parts of an atom
protons, neutrons, and electrons
what does KMT stand for
Kinetic Molecular Theory
what are the protons also known as on the periodic table
Atomic number
Who discovered the atom
Dalton
How do you calculate Volume
M divided by D
What are the positive charged particles found in the nucleus?
protons
What are the three states of matter?
Solids, liquids, gases
What is the Atomic Mass of gold
197.0
Who was credited with discovering the Nucleus?
Ernest Rutherford
What 3 units are used for mass
mg g kg
What is atomic mass?
The total number of protons and neutrons an atom contains
very compact and moving slowly
What is the symbol for Phosphorus
P
What year was the nucleus discovered
1911
What are units used for measuring volume?
cm3-cubic centimeters, mL-milliliters, m3- cubic meters
what particles have no charge?
neutrons
What does heat do to the particles?
makes the particles move faster and more rapidly
Whats the ion charge of Scandium
3+
What did the gold foil experiment discover
The nucleus
What is the answer to D= M/ V= 97.2g/112.6cm3
D=0.9g /cm3
What particles are negatively charged?
electrons
Finish the sentence: Particles are always m_____