Atoms
The building block of matter.
What is atoms?
Each vertical column on the periodic table is called a.
What is group or family?
All matter is either a pure substance or a
What is a mixture?
A property that can be observed without changing the substance, by using your senses or measuring.
What is physical?
What is mass / volume (m divided by v)?
What order did they find the three subatomic particles?
What is electrons, protons, then neutrons?
Each horizontal row on the periodic table is called a.
What is a period?
The five states of matter are...
Crumpling up paper is what kind of change?
What is a physical change?
The units for density are.
What is g/mL or g/cm3?
Name two models of the atom.
What are any two solid sphere/billiard ball, chocolate chip cookie/plum pudding, nuclear/Rutherford, planetary/Bohr, or quantum.
Groups/Families tell you the number of __________, while Periods tell you the number of __________.
What is valence electrons and orbitals/energy levels/shells respectively?
Endothermic changes of state are when energy enters so what's happening to the particles?
Reacts with water and flammability are what kind of properties.
What is chemical?
The density of water is...
What is 1g/mL?
What are protons and electrons?
Who are the two known creators of the periodic table?
DOUBLE JEOPARDY: make your wagers
How did they each organize it?
Who are Mendeleev:
DOUBLE atomic mass in columns
and Mosely:
DOUBLE atomic number in rows
What is the opposite of Endothermic?
DOUBLE JEOPARDY: make your wagers
Name an endothermic and exothermic state change.
What is Exothermic?
DOUBLE
Endothermic: melting, evaporation, sublimation
Exothermic: freezing, condensation, deposition
Color, Mass, Texture, State of Matter are all what kind of properties?
What is physical?
If something's density is less than 1 it will...
What is float?
This subatomic particle just adds mass and is located in the nucleus.
DOUBLE JEOPARDY: make your wagers
If the number of neutrons changes you have an _____________.
What are neutrons?
DOUBLE JEOPARDY: isotopes
As you go down the column atomic radius does what?
What is increases (the atoms get bigger as you add energy levels/orbitals)?
A mixture that you can see different parts is called a what kind of mixture?
What is heterogeneous?
Over time acid rain wears down a cliff face, making it hard to climb. The acid rain on the cliff is what kind of change?
What is chemical?
The mystery object is a silvery shiny metal. It's mass is 9g and its volume is found by displacement. The water started at 10mL and rose up to 12mL after dropping the metal in.
What is the metal?
Stainless Steel 7.85 g/cm3
Silver 10.49 g/cm3
Titanium 4.50 g/cm3
What is Titanium 4.50 g/cm3?
9g/2mL=4.5/mL