1
When an ice melts, is it increasing or decreasing in thermal energy?
Increasing
List how many of each element are there in the chemical equation. NaCl2
Na, 1, Cl, 2
Three examples of physical change?
Answers may vary
Three examples of a chemical change?
Answers may vary
What is a spiced drink traditionally had during Christmas that is made from egg yolks?
Eggnog
What is the atomic mass?
Weighted average of the isotopes of that element
How do you find density?
D=m/v
What does “Na” in the periodic table stand for?
Sodium
What is the difference between mass and weight?
Weight depends on the force of gravity, mass does not
According to legend, what holiday goodies were shaped to resemble a shepherd’s staff, as a way to remind children of the shepherds who visited baby Jesus?
Candy cane
What is the coefficient?
Is a number placed in front of the chemical formula to show how many molecules of the substance are represented in the chemical equations
What are the three physical properties used to identify?
Melting point, Boiling point, and density.
Is this equation balanced?
C3H8+O2—> H2O+CO2
If not, balance it!
C3H8 + 5O2 --> 4H2O + 3CO2
What are pure substances?
Elements and compounds
What beverage company has been using Santa Claus in its advertising since 1931?
Coca cola
What are the three main classes of elements?
Metal, nonmetal, metalloid
What is the difference between a molecule and a compound?
A compound MUST be two different elements while a molecule does not have to be
The higher the elevation the lower the ___
Air pressure
What is the atomic mass for livermorium
293
What traditional Christmas decoration is actually a parasitic plant?
Mistletoe
How many hydrogens in total is in an Ammonia Molecule?
3
How many protons for Darmstadtium?
110
What is the mass number of Roentgenium?
282
If I add two protons to Hydrogen, which element is it?
Lithium
Name all of Santa's reindeer
Dasher, dancer, prancer, vixen, comet, cupid, donner, blitzen, rudolph