Mendeleev's
Table
Table
How did Mendeleev arrange his periodic table?
How is the modern periodic table arranged?
By increasing atomic number.
How many valence electrons does an element in Group 2A have?
Two
What does it mean if an element is malleable?
It can be hammered or shaped into thin, small pieces without breaking.
Which element has the chemical symbol "Sn”?
What is tin?
Who is credited with creating the first periodic table?
Who is Dmitri Mendeleev?
What is the periodic law?
Properties of elements repeat in a regular pattern when arranged by atomic number.
Which group is the least reactive
What are noble gases?
Why are metals good conductors of electricity?
Because it allows electricity to follow through easily.
What is the lightest element on the periodic table?
What is hydrogen?
What made Mendeleev’s table so unique compared to earlier attempts?
He left gaps for undiscovered elements and predicted their properties.
What are periods and groups?
Periods are rows; groups are columns.
Which group contains the most reactive nonmetals?
What are halogens (Group 7A)?
Which elements are stored under oil to keep it from reacting with air and water?
What is sodium and potassium?
Which element is plays a key for photosynthesis in plants?
What is carbon (in CO₂)?
Which element’s properties did he successfully predict?
What is gallium (or germanium)?
What classification of elements lies along the “stair-step line”?
What are metalloids?
At room temperature, what state of matter are these Halogen group elements: chlorine, bromine, & iodine?
What is gas (chlorine)? What is liquid (bromine)? What is solid (iodine)?
What classification is phosphorous located in and what state of matter?
What is a solid nonmetal?
What are oyster shells and a pearl made out of?
What is calcium carbonate?
Why did Mendeleev leave gaps in his periodic table?
What is for undiscovered elements?
Which classification (metal, nonmetal, metalloid) is the majority of elements?
What are metals?
Name one use of a noble gas in daily life.
Helium in balloons, neon in signs, argon in light bulbs.
What happens to the reactivity of alkali metals as you go down Group 1A?
It increases.
Which element is in all living things?
What is carbon?