Intro
Where in the element box does atomic mass exist?
Bottom
Give ONE example of a physical property.
Color, odor, conductivity, malleability
On which side of the equation are the reactants?
Left
Which of the following are good conductors:
- Metals
- Metalloids
- Nonmetals
Metals
What is the symbol for carbon?
C
Where in the element box can you find the atomic number?
Top
Give ONE example of chemical property:
Flammability, reactivity
What does the arrow mean in a chemical equation?
yields/produces
What is ONE characteristic of a nonmetal?
poor conductor, transparent
What is the 3 in the following:
3H2
Coefficient
Name the charges of all three particles below:
-proton
-electron
-neutron
Proton = +, positive
Electron = -, negative
Neutron = neutral, none
Give TWO examples of a physical change:
Answers vary, but could include:
Cutting paper, Ice melting, Molding clay
What is the 2 in the following substance:
3H2
Who created the periodic table?
Mendeleev
Which group of the periodic table is unreactive?
Noble gases
List the order of items in order from top to bottom as found in an element box:
-atomic mass
-atomic number
-symbol
-name
Atomic number
Symbol
Name
Atomic mass
Give THREE examples of a chemical change:
Answers vary, but may include:
Burning wood, cooking/baking, fireworks, etc.
What type of chemical reaction is the following:
A + B --> AB
Synthesis
Which group of the periodic table is very reactive?
Alkali metals (group 1)
Write out the equation for a decomposition reaction.
AB --> A + B
What is the equation for finding neutrons?
atomic mass - atomic number = neutrons
Explain the difference between a physical change and a chemical change.
A physical change doesn't create new substances, and chemical changes do create new substances.
What type of chemical reaction is the following:
AB+CD --> AC +BD
Double replacement
Which group of the periodic table are poor conductors and contain all three states of matter (solid, liquid, gas)?
Halogens (group 17)
Find the neutrons for the following element:
Aluminum (Al) -
Atomic # = 13
Atomic mass = 26.982
Protons = 13
14 neutrons OR 14 n