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Elements
100
The three main groups of the periodic table
What is metals, metalloids, and nonmetals
100
__________ are single particles
What is atoms
100
The elements at the bottom of the table are much __________ than those at the top.
What is "heavier"
100
Molecules are made out of a. compounds b. elements c. atoms d. flowers
What is atoms
100
What orbits the nucleus of an atom?
What is electrons
200
Which of these is not a noble gas? A. Molybdeum, Helium, Neon, Argon
What is Molybdeum
200
__________ is how likely elements are to react or combine with other elements
What is "reactivity"
200
Elements with ________ properties are grouped together
What is "similar"
200
Which of the following is not matter? a. compressional wave b. electromagnetic wave specturm c. ideas d. all of the above
What is d. all of the above
200
How many atoms does the compound C6H12O6 (glucose) have?
What is 24
300
What are the horizontal rows called? What are the vertical columns called?
What is periods and groups?
300
_________ and ________ increase as you go down each group
What is size and weight
300
Which of the following is not an element? A. Sodium (Na) B. Hydrogen (H2) C. Water (H2O) d. Iodine (I2)
What is water?
300
How are the number of neutrons in an element calculated?
What is subtracting atomic weight by atomic number
400
Why are noble gases special?
What is they do not react with anything, their electron shells are completely full
400
Elementary means __________
What is foundational
400
What decreases from left to right across each period?
What is reactivity?
400
How many elements are in the periodic table?
What is 110-118
400
Metals have a _________ density
What is high
500
Is O2 (oxygen) an element or a compound? Why or Why Not?
What is Oxygen is an element because it is made of only one kind of atom.
500
List three properties of a non-metal
What is low density, low corrosion, low shininess
500
What is a molecule? A. Two or more elements B. Two or more cells C. Two or more atoms D. Two or more compunds
What is B. Two or more atoms
500
What increases as you go down each group? a. size b. reactivity c. weight. d. both A and C
What is D
500
What is an atom?
What is the single particle building blocks of matter
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