The two types of bonds between elements that are found in compounds
What are covalent and ionic?
100
What change is when a watermelon breaks into millions of pieces?
What is Physical Change?
100
The amount of space that an element takes up is its _____________.
What is Mass?
100
What is as bond?
What is an attraction between 2 things
200
The three subatomic particles in an atom.
What are neutrons, protons, and electrons?
200
Groups of two or more elements that are bonded together.
What is a compound?
200
When clouds form in the sky it is _____ change
What is Physical Change
200
The property in which you describe the color of an element.
What is Color?
-_- durrr
200
How do you make a fancy Lewis Structure?
What is write the element symbol in the middle, and place one dot in clockwise motion in each spot (top, right side, bottom, left side) for each valence electron. And make it fancy
300
An atom that is charged.
What is an ion?
300
Consists of two or more different elements and/or compounds physically intermingled.
What is a mixture
300
When rice is cooking it is in the process of _____ change
What is Chemical Change?
300
Iron weights 15 pounds. This is an example of its _________ property
What is weight
300
What is an Ion?
What is an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
400
Where protons and neutrons are stored in an atom.
What is the nucleus?
400
Table Salt and Stainless Steel are examples of
What is a mixture
400
Burning a magnesium strip is __________ change
What is Chemical Change
400
An element's property is it's ___________ to _____
What is Reactivity to Acid
400
What is the bonding capacity of an element?
What is the number of outer shell electrons an element can gain or lose.
500
The number of electrons in an element whose atomic number is 8.
What is 8 electrons?
500
The number of gaseous elements found in air.
What is 5. Air is actually a very good example of a mixture.
500
What change is when someone cracks heavy hydrocarbons to create lighter hydrocarbons
What is Chemical Change
500
A piece of Iron has a mass of 5 and a volume of 156034. What is it's density? Round to the nearest millionth place
What is 0.000032
500
Why Ions bond.
What is an ionic bond is a type of bond that involves a metal and a nonmetal . Through electrostatic attraction, Ions of + and - charged bond.