significant figures
3.69 x 10^-2
What is 0.0369
Robert Andrews Millikan contribution to atom discovery
what is proof that an electron has a negitive charge.
subatomic atom with a positive charge.
what is proton
What number tells you the number of protons and electrons?
what is Atomic Number
used to handle hot beakers
what is beaker tongs
convert 0.502
What is 5.02 x 10^-1
j.j thomson contribution to atom discovery.
what is proof that an atom has a positive charge with negitive electrons floating around it.
subatomic particle with negitive charge
what is electron
How do you figure out the number of neutrons?
what is Subtract the atomic number from the atomic mass
Used to measure liquid volume. A very accurate tool. Graduated in mL.
what is a graduated cylinder.
0.502(how many sig figs)
What is 3
john dalton's contribution to atom discovery.
what is the atom is a hard sphere.
subatomic particle with a neutral charge
what is neutron
What is the name of element number 1?
what is Hydrogen
Aids in pouring liquids into small openings without spilling them.
what is a funnel.
Round 77.0653 to three significant figures.
What is 77.1
Erwin Schrödinger contribution to atom discovery
what is protons, neutrons and eletronsm electrons are found in orbitals.
number of types of subatomic particles
what is 2
What does the term 'valence electrons' mean?
what is number of electrons on outermost shell, tells how reactive an element is
Used to hold specimens for observation and to grow cultures.
what is a petri dish.
0.000459 x 10^-1
What is 0.0000459
Ernest Rutherford contribution to atom discovery.
what is The atom has a dense positive nucleus, there is mostly empty space.
3 subatomic particles that make an atom
what is proton,electron and neutron
What subatomic particle is not inside the nucleus?
what is Electrons
Used to measure mass in grams.
what is a triple beam balance.