What are the horizontal levels of elements called? How many are there?
Period; 7
100
Iron is the most common metal in Earth's crust.
False. Aluminum is the most common metal is Earth's crust.
200
What element is in Group 13 and Period 2?
boron
200
What is the name of groups 3-12?
Transition elements
200
Neon vs. lithium vs. carbon
lithium
200
How can you tell the number of valence electrons each element has?
By the group that they are in
200
The modern table is arranged by increasing ___________
Atomic number
300
What element is in group 6 and period 4?
chromium
300
What is the name of Group 2?
Alkaline Earth Metals
300
Calcium vs. arsenic vs. nitrogen
Calcium
300
How can you tell how many energy levels an element has?
By the period they're in
300
Which group of elements on the periodic table do not combine readily with other elements?
What are the Noble Gases (Group 18)?
400
What element is in Group 18 and Period 3
Argon
400
What is the name of the group containing the most active non-metals?
Halogens
400
Aluminum vs. iodine vs. magnesium
Magnesium
400
What number of valence electron all the elements in each group have? Ex. Elements in Group 13 have ___ valence electrons
Group 1: 1; Group 2: 2; Group 13: 3; Group 14: 4; Group 15: 5; Group 16: 6; Group 17: 7; Group 18: 8;
400
What are the family names for group 1, 2, 3-12, 17, 18, ?
Group 1: Alkali Metals Group 2: Alkali Earth Metals Group 3-12: Transition Metals Group Group 17: Halogens Group 18: Noble Gasses
500
What element is in Group 11 and Period 5?
Silver
500
What is the name of the group containing the most active metals?
Alkali metals
500
Argon vs. cesium vs. phosphorous
cesium
500
How many energy levels does Selenium have? Draw its electron configuration?
Energy level #: 4
500
What does it mean ANALYZE?
Definition: to study (something) closely and carefully: to learn the nature and relationship of the parts of (something) by a close and careful examination
Synonyms: break down, dissect