Ch. 16
Ch. 16 Random
Ch. 16 - Section 3
Ch. 17
Ch. 17 Random
CH. 17 - Section 2&3
100
Smallest particles of an element that retains the element’s properties
Atom
100
The negatively charged particles that surround an atom in an electron cloud
Electrons
100
Elements arranged in a chart by increasing atomic number (not mass) and by periodic changes in physical and chemical properties
Periodic Table
100
These elements are shiny, malleable, ductile
Metals
100
This word describes when two atoms of the same element form a covalent bond
Ex. H2O
Diatomic Molecule
100
Fluorine, Chlorine, Bromine, Iodine, Astatine make up this group 17 elements
Halogens
200
The nucleus of an atom is made up of (2 answers)
Protons and Neutrons
200
Particles that make up protons and neutrons
Quarks
200
The man behind the creation of the periodic table, was a Russian chemist who name is
Dmitri Mendeleev
200
This bonding happens when positively charged metallic ions are surrounded by a sea of electrons
Metallic Bonding
200
These elements are usually gases and solids at room temperature
Ex. Elements of the human body include oxygen, carbon, hydrogen, nitrogen
Non-Metals
200
These gaseous elements are stable, where their outermost energy levels are full
The Noble Gases
300
Who's atomic model closely represents the picture shown 
Democritus or Democritus Model
300
With what machine are scientists able to study quarks?
Particle Accelerators
300
Horizontal rows of elements
Periods
300
Certain alkali metals are important for nutrition. Name one of those important alkali metals
Lithium (Li), Sodium (Na), Potassium (K)
300
The iron triad consists of (3 answers)
Iron, cobalt, nickel
300
These elements have some properties of metals and some properties of non-metals
Metalloids
400
If Boron (B) has 5 protons and 6 neutrons, what is it's Atomic Number?
Atomic Number = 5 (5 protons)
400
If sodium has 11 Protons and 12 Neutrons, what is sodium's Mass Number?
23 (protons + neutrons
400
Vertical columns in the periodic table
Groups
400
This elemental reaction occurs when the nucleus breaks down and gives off particles and energy
Radioactive, Radioactive element
400
The coinage metals consist of (3 answers)
Copper, Silver, Gold
400
Different molecular structure of the same elements
ex. diamond, graphite
Allotropes
500
Atoms of the same element that have different numbers of neutrons.
ex. Carbon-12 or Carbon-14
Isotopes
500
This model describes how the area around the nucleus is the most likely area where electrons are found
Electron Cloud Model
500
The elements H, Li, Na etc. in group 1 have how many electrons in their outermost energy level?
1
500
This group of elements makes up group 2 of the periodic table
Alkaline Earth Metals
500
These elements in groups 3-12 are called this because they are considered to be in transition between the main group of elements
Transition Elements
500
Elements that conduct an electrical current in certain situations
ex. silcon
Semiconductors
600
Atoms of the same element that have different numbers of electrons.
Ex. ▪Cl, Cl+, or Cl-
Ions
600
Name 1 other philosopher's early atomic model other than Democritus (Last Name is fine)
Thomson, Rutherford, Bohr
600
These elements are the are the building blocks of all elements
Hydrogen (H) & Helium (He)
600
The inner transition elements contain 2 groups
Actinides and Lanthanides
600
When nonmetals and nonmetals bond they form what bonds
Covalent bonds
600
Elements that have more than 92 protons, found toward the bottom of the periodic table
Transuranium Elements