The Atom
Elements vs. Compounds vs. Mixtures
Atomic Math
The Periodic Table
Law of Conservation of Mass
100
What are the three subatomic particles found in the atom?
protons, electrons, and neutrons
100
Is salad an element, compound, or mixture?
mixture
100
If an element has an atomic number of 12 and an atomic mass of 23, how many protons does it have?
12
100
Where are nonmetals found on the periodic table?
on the right side
100
Give an example of an open system.
Example: an open jar
200
What subatomic particle has no charge and is found in the nucleus?
Neutron
200
Is Potassium (K) an element, compound, or mixture?
element
200
If an element has an atomic number of 11 and a mass number of 23, how many electrons does it have?
11
200
Name a metalloid.
Any element on the staircase
200
If there are 34 grams in the reactants, how much should be in the products?
34 g
300
What two subatomic particles add mass to the atom?
Protons and neutrons
300
Is table salt (NaCl) an element, compound, or mixture?
Compound
300
If an element has an atomic number of 12 and a mass number of 25, how many neutrons does it have?
13
300
Name the element located in Group 17, Period 2
Fluorine
300
Which side is the products of the chemical equation?
The right side
400
What two subatomic particles need to be equal for an atom to be neutral?
protons and electrons
400
Is air an element, compound, or mixture?
Mixture
400
How many protons does Lithium have?
3
400
Name an element in the noble gases.
Any element in group 18
400
Is this chemical equation balanced?
No
500
What are the three subatomic particles and their locations?
protons = nucleus
neutrons = nucleus
electron = electron cloud
500
What is the difference between a compound and a mixture?
A compound is chemically combined; a mixture is physically combined
500
How many neurons does Boron have?
6
500
Name a property of the noble gases
unreactive, gases, nonconductive, nonmalleable, nonductile, etc.
500
Is this equation balanced?
Yes!