Periodic Table of Elements
Physical Change
Chemical Change
Compounds
Mixture and Solutions
100
A table that is used to organize elements
The periodic table of element
100
If you step of a toy and break it into pieces. Is an example of what type of change?
physical change.
100
What is a chemical change?
A change that cause a new substance to be formed.
100
What is a compound?
two or more different elements chemically bonded
100
What is a mixture?
2 or more substances that combine but do not mix well. You can take the different substances apart.
200
According to the Periodic Table of Element, elements that are in the same group
react in similar way and have the same properties
200
What is a physical change?
a change that does affect or change the atoms inside of the substance.
200
To cause a chemical change what must happen?
A chemical reaction
200
How can you identify a compound?
If it has two or more different elements
200
What is a solution (homogeneous mixture)?
two or more substance that combine evenly the different parts do not settle or separate.
300
How is the Periodic Table of Elements organized?
groups and periods
300
A car was wrecked. It is dented and has peeling paint. The metal of the care is exposed. The metal begins to rust. identify the physical change(s)
dented car and peeling paint
300
What is always formed during a chemical change?
a new substance
300
Would hydrogen be considered a compound, explain.
No, because it is not a combination of two or more elements.
300
Sugar is placed into coffee this is an example of a mixture or solution?
solution
400
Carbon dioxide (co2) which is a compound would be located on the periodic table of elements true or false?
False, only elements are located within the periodic table of elements
400
How can you physically change water?
evaporating it or freezing it
400
Last night I was cooking chicken. I cooked in a skillet first and then placed it in the oven to finish cooking but when I took it out it burned. Identify the chemical change(s)
cooking the chicken
burning the chicken
400
Compounds are 2 or more elements that are chemically bonded this means that their mass is _______ the original mass of the elements
equal (same)
400
How can you separate salt from water?
evaporate the water
boil the water
heat up the water
500
Elements on the Periodic Table of Elements are classified into categories like:
metals, nonmetals and noble gases
500
If the atoms in a compound are separated would it be considered a physical change, why?
No because a chemical reaction occurred and this is a sign of a chemical change.
500
What chemical property is shown in this image?
rusting
500
In order to create a compound what is needed?
the elements need to chemically bond ( chemical reaction)
500
How can you make a substance dissolve faster?
crushing the item
stirring it
mixing it
heating it up