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All Things Molecules
Phase Changes
Periodic Table
Miscellaneous
Quick Answer
100
A sub-atomic particle with a negative charge is called A. Neutron B. Quark C. Electron
What is an electron
100
Burning logs is an example of what change? A. Evaporation B. Chemical C. Physical D. Fire
What is Chemical
100
There are the same number of electrons as there are protons in an element. T or F?
What is true?
100
How many protons are in Tin?
What is 50?
100
What is the density of a 33g block of wood with a volume of 50 cubic centimeters?
33g/50 cubic centimeters = 0.66 g/cubic centimeter
200
Two or more atoms chemically bonded are called. A. Isotopes B. Mixtures C. Compounds
What is a compound?
200
The melting of ice cream is considered a _____ change. A. Chemical B. Delicious C. Physical D. Sublimation
What is physical?
200
If I want to calculate the number of neutrons in an element, I simply subtract the number of protons from what? A. Atomic Number B. The electrons C. Atomic Mass
What is Atomic Mass
200
If I take a liquid to a solid, what am I doing?
What is freezing?
200
If all of my particles have enough energy to evaporate, what phase am i?
What is boiling?
300
A substance that is not chemically bonded and you still CANNOT see the difference in its parts is called what kind of mixture? A. Homogenous B. Heterogeneous C. Ambigeneous
What is a homogenous mixture?
300
Where in a lake do the majority of particles gather enough energy to evaporate?
What is the top layer?
300
The atomic number is.... A. The number of protons in the nucleus B. The number of quarks in the nucleus C. The number of neutrons in the nucleus
What is the number of protons
300
What is the atomic mass of Iodine?
What is 127.90 or 128.00 amu
300
what is the mass of a piece of aluminum with a volume of 50cubic centimeters. (Hint: The density of aluminum is 2.7g/cubic centimeter)
D= M/V, therefore, M=DxV, M= 2.7 g/cubic centimeter x 50 cubic centimeters. M=135g
400
A substance made of only one kind of atom is called: A. Isotope B. Element C. Radioactive Element D. Compound
What is an element?
400
What is an example of sublimation? A. Ice melting B. A solid air freshener C. Mr. C's cologne D. Smoke from a fire
What is a solid air freshener?
400
If there are 13 protons in an element, what element is it?
What is aluminum?
400
What unit is density measured in?
What is grams per cubic centimeter
400
If I am a group on the periodic table? In which direction am I running?
What is Vertical, Up and Down.
500
Matter can neither be created nor destroyed? T or F?
What is True
500
This physical change is when a solid becomes a liquid.
What is melting
500
If I know the number of protons in an element, i also know how many _______ are in that element.
What are electrons
500
What relationship must you identify to calculate a density problem?
What is mass/volume
500
I am pretty snobby and don't like to bond to other elements. I have 5 other friends who live above and below me. You can really tell if who I am if you see the 18 protons that I have, Who am I? 500 Extra points go to the team who guess what family I belong to.
What is Argon? Noble Gases.