Parts of an atom
Which particle has a positive charge?
Proton
What is the atomic number of: Hydrogen
1
What is the atomic mass of: lead
207
How do you determine the number of protons
Same as Atomic number
Every substance on the periodic table is an:
Element
Which particle has a negative charge?
Electron
What is the atomic number of: Oxygen
8
What is the atomic mass of: gold
197
How do you determine number of electrons
Same as Protons (atomic number)
What are the electrons on the outer ring called?
Valence electrons
Which particle has no charge?
neutron
What is the atomic number of: Potassium
19
What is the atomic mass of: tungsten
184
How do you calculate number of neutrons?
Atomic mass minus atomic number
The last group on the periodic table is known as the:
Noble Gases
The inner part of the atom is called the:
nucleus
What is the atomic number of: cobalt
27
What is the atomic mass of: bromine
80
How do you calculate atomic mass? What particles do you add or subtract?
Protons + neutrons
What is the name of an atom that has a different amount of neutrons than normal?
isotope
How many valence electrons does carbon have?
4
What is the atomic number of: krypton
36
What is the atomic mass of: tin
119
How many valence electrons does argon have?
8
What is the name of an atom with a positive or negative charge?
ion