Elements in Context
What is an alloy?
A mixture of 2 or more metals.
What is an ion?
An atom with a positive or negative charge.
BONUS! 500 Points!
Which family has elements that have high luster (shine)?
Transition metals
C
Carbon
What color did copper emit when burned?
Blue-Green
BONUS! 500 POINTS!
What is the purpose of making an alloy?
The result can be increased hardness, resistance to corrosion, or increased shine.
Which group on the Periodic Table tend to form +1 ions?
Group 1!
Alkali metals
Lithium
BONUS 500 POINTS!
Name the element that produced a red color when burned.
Strontium
What two metals make up steel?
Iron and Carbon
Which family tends to not form ions at all? Why?
Noble Gases. They have full valence shells!
Nonmetals
Fe
Name the element that burned yellow.
Sodium
Bronze
Knowing that oxygen is in Group 6, what ion would it form?
-2
These elements are colorless, odorless, and tasteless.
Noble Gases
Hg
Mercury
What is the "excited" and "ground" state of electrons?
Excited state = the electron has jumped out one orbital
Ground state = the electron is in its normal orbital
When copper and zinc are mixed together, what do we call the product?
Brass
Knowing that carbon is in Group 4, what ion would it form?
+4 or -4
This element is used in fertilizers.
Phosphorus OR nitrogen
Ag
Silver
Why do Alkali and Alkaline Earth Metals emit color when burned?
Their electrons jump from the ground state to the excited state. They then fall back down, and in the process give off energy in the form of light we can see!