Atoms
An element that has a mass number of 15 and the atomic number 8.
Oxygen
CHOOSE ONE:
This remains the same NO MATTER the size of the sample:
Melting Point, Flammability, Volume, Reactivity
What is Melting Point?
Choose ONE:
A physical property that DOES NOT change as sample size changes:
flammability, volume, reactivity, density
What is Density?
A type of mixture in which the parts quickly separate unless they are agitated (aka shaken)
What is a suspension?
Each box on the periodic table represents a/an ________.
Element
The number of NEUTRONS in an atom of Oxygen.
What is 7?
The boiling point of water
What is 1000C?
Choose one:
Which would be the best way to test a CHEMICAL property of a sample of iron?
Try to break it; Drop water on it; Find the mass of it
What is "drop water on it"?
Homogeneous or Heterogeneous mixture:
Apple Juice
What is Homogeneous?
Density of a substance with a mass of 12g and a volume of 3 cm3
What is 4 g/cm3?
An element's ______ determines its location on the periodic table.
What is Atomic Number (aka the number of PROTONS it has)?
Physical or chemical change:
Burning a piece of wood
What is a Chemical change?
Which property would be the same for a statue and a coin made of the same type of metal?
density; reactivity; color
A combination of elements that has parts that are NOT chemically combined
What is a Mixture?
Volume of a rectangular solid with a length of 10 cm, width of 4 cm, and height of 2 cm
What is 80 cm3?
ELEMENT 1: Atomic # 26, Atomic Mass 31
ELEMENT 2: Atomic #56, Atomic Mass 70
Element 2 has ____ many MORE neutrons than Element 1.
What is 11?
Physical or Chemical Change:
Ice Melting
what is a Physical change?
Dropping a rock into a graduated cylinder and measuring how much water it displaced would measure the rock's ____.
What is volume?
A combination of atoms or elements in which all parts are chemically combined
What is a Compound?
Iron, Copper, and Gold all belong to this class of elements
What is metals?
The atomic particles in order from MOST massive to LEAST massive
What is neutron, proton, electron?
Explain why the ash created from burning a piece of paper has a lower mass than the paper itself.
What is "some of the products of the reaction were given off as gas as it burned"?
The state of matter that has the GREATEST attractive force between particles (aka the particles are CLOSEST together)
What is solid?
A type of mixture in which all of the individual components can be seen with the naked eye
What is Heterogeneous?
The process you might use to separate a mixture water, sugar, and marbles
Take out the marbles
Allow the water to evaporate
Remove the remaining sugar from the container