Naturally occurring substances used to make a product
100
Who was the scientist who helped created the Periodic Table of Elements???
a.) Dimitri Mendeleev
b.) Charles Darwin
c.) Albert Einstein
d.) Mrs. Cenna
d.) Mrs. Cenna
J.K- it's a.) Dimitri Mendeleev
100
What is a family, as it relates to the period table of elements?
a group of elements (or atoms) with similar characteristics.
100
Density relative to hydrochloric acid is a?
Physical property
Chemical property
Physical Property
If the question read..... reaction with hydrochloric acid.... then it would be chemical.
100
Find Fluorine (in column #17 of Periodic Table)
What is another element in the same family as fluorine?
either chlorine, bromine iodine, or astatine
200
What is the "chemical formula" for Water
H20
200
What are the two main outputs in the manufacturing stage?
waste and the product
200
Which of the following would be another accurate way to describe the periodic table of elements?
c.) a periodic table of ______________ that are all _________________
a periodic table of "individual atoms" that are all "different from each other"
200
What are the two main INPUTS into the manufacturing stage?
Energy and Raw Materials
200
Upon entering its end of life stage, a glass bottle is heated at high temperatures and molded to form a new product. What main stage of the life cycle did this glass bottle go to?
Manufacturing
300
What is true of chemical properties?
a.) they will always change the product into something else
b.) they involve a reaction
c.) they like chemicals
d.) all of the above
b.) they involve a reaction
300
Look at column #1 of your periodic table. How many protons does potassium (K) have?
19 (Look at atomic number)
300
Whether something is a solid, liquid, or gas is a ________________ property
Physical
Because it can be observed without changing the product or looking for a reaction.
300
Salt water
a.) an element b.) a compound c.) a mixture
mixture
300
In addition to the name and chemical symbol, what two things does the period table tell us about each element?
Number of protons
Number of Neutrons
also acceptable.... number of electrons
400
Magnesium (Mg) is a? (hint use Periodic table of elements)
a.) metal b.) non-metal
Metal
400
What are the 3 sub atomic particles in an atom
and which 2 are found inside the nucleus
Protons, Neutrons and Electrons
Protons and Neutrons are found inside the nucleus.... electrons circle around the outside.
400
Give an example of a product being used for it's intended purpose and of that same product being used for it's unintended purpose
Answers will vary.....
examples:
Glass bottle being used for drinks (intended) or flower vase (unintended)
Shoe box being used to store shoes (intended) or being used as a bed by Mr. Strelick's cat (unintended)
400
What does the atomic mass of an element represent?
The number of protons AND neutrons
400
What does the atomic number represent
The number of protons in a an atoms (protons only)
500
If an element is highly reactive, what it is likely to do with other elements....
(dont say react, blow up or explode)
Chemically combine...
500
Baking soda is NaHCO3. contains how many different types of atoms
4
Na, H, C, O
500
Using column 16 of the periodic table, find Se (selenium)
How many Neutrons (to the nearest whole number) does selenium have?
79-34 = 45
500
Carbon Dioxide (CO2) is a compound. Can the atoms in CO2 be separated?
Yes, they can be physically separated
Yes, they can be chemically separated
No, since it's a compound, the atoms can not be separated
Yes, they can be CHEMICALLY separated
500
True or False and explain.
The shape of an object should be considered a property of the PRODUCT
FALSE.....
The shape will affect how the end "product" will be used
Example- Plastic shaped like a bottle will be good at holding liquids, where plastic shaped like a toy car will not be good at holding liquids.