Atom and the Periodic Table
Groups in the Periodic Table
Chemical Bonds
Phase Changes
Substances & Mixtures
100
Name 3 subatomic particles and their charges.
Proton = positive, Electron = negative, Neutron = neutral
100
Name one of the 6 majors groups found in the periodic table.
alkali metals, alkaline earth metals, transition metals, rare earth metals, halogens, noble gases
100
What are two types of bonds that form between atoms?
ionic and covalent
100
What are the three phases of matter?
solid, liquid, gas
100
Name the two types of pure substances we learned about.
elements and compounds
200
Rows in the periodic table are called _________. Columns in the periodic table are called _______.
periods; groups/families
200
Name two elements that are found in the Noble Gases group.
helium, neon, argon, krypton, xenon, radon
200
What are two types of ions and their charges?
cation = positive, anion = negative
200
Which phase of matter has molecules moving the fastest?
gases
200
Name the two types of mixtures we learned about. SPELLING COUNTS!
homogeneous, heterogeneous
300
The atomic number tells you the number of __________ in an atom.
protons, electrons
300
What do elements in the same group have in common?
(physical/chemical) characteristics
300
What kind of bond forms between a non-metal and non-metal?
covalent
300
How do you change from one phase of matter to another?
add or remove heat/thermal energy
300
Would Kool Aid be considered an element, compound. homogeneous mixture, or heterogeneous mixture?
homogeneous mixture
400
Find the element in Group 17 and Period 5.
Iodine
400
Name one thing all non-metals have in common.
dull, can be easily broken, bad conductor of heat/electricity, generally on the right side of the periodic table
400
What kind of bond do sodium (Na) and chlorine (Cl) make?
ionic bond
400
What is the theory that describes the motion of molecules?
kinetic molecular theory
400
What would you get if you combined 2 or more elements?
compound
500
What would happen if you changed the number of protons in an atom?
Changes to a different element
500
Is aluminum foil a metal or non-metal?
Metal b/c it's shiny, can fold, rolled in a ball, etc. without breaking, used for aluminum cans, wires, etc.
500
What kind of bond would form between magnesium (Mg) and Fluorine (F)?
ionic
500
True or False: There is no such thing as "cold" in the scientific sense.
true
500
Is sand from the beach a homogeneous or heterogeneous mixture? How do you know?
homogeneous because same types of tiny particles make up sand; heterogeneous because looking closer, particles aren't evenly distributed
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