Name: _____________________________ Date: ________ Period:_______
Chapter 4 Review Sheet
Atom
Charge of an atom?
Nucleus
Particles are found in the nucleus
Charge of the nucleus
Mass of a proton and neutron
Electrons location
3 subatomic particles
Atomic number
Mass number
Atomic mass
Determination of the number of neutrons
Isotopes
Differences between from regular elements and isotopes
Importance of Bohr’s model of the atom
Energy levels
Electron cloud model
Atomic orbitals
Atomic orbitals arrangement around the nucleus
By using the periodic table be able to answer the following questions:
a. What is the atomic number for silver?
b. How many protons does boron have?
c. How many electrons does platinum have?
d. How many neutrons does bromine have?
e. What is the mass number for potassium?
f. What is the atomic mass for sodium?
g. What is the atomic number for radon?
h. What is the mass number of iodine?
i. What is the number of protons in mercury?
j. How many neutrons does Hydrogen have?
k. What element has 75 protons?
l. What element has 52 electrons?
m. What element has 45 neutrons?
Draw atomic orbitals for the following elements:
i. carbon
ii. nitrogen
iii. neon
Draw the following isotopes:
iv. Oxygen-16
v. Oxygen-17
vi. Oxygen-18
vii. What is different for these isotopes?