This element is in Group 1, Period 2, and reacts violently with water.
What is lithium?
The atomic radius generally increases in this direction in a group of the Periodic Table
What is down a group?
Which element is a liquid metal at room temperature? Na, Mg, Hg, Al
What is mercury (Hg)?
Which element is a nonmetal and can be found in all organic compounds?
What is carbon?
This subatomic particle is the smallest
What is an electron?
This element is named after the sun, helios
What is helium?
The periodic table is organized by
Increasing atomic number
Which is not a metalloid?
B, Si, Ge, Ca
What is calcium (Ca)?
This gas makes up over 75% of Earth’s atmosphere.
What is nitrogen (N)?
Name the element that has a symbol of Se
What is selenium?
Identify the element with the highest electronegativity
What is fluorine?
This property increases across a period and is a measure of how strongly an atom attracts electrons.
What is electronegativity?
Which Group 1 element is a gas at room temperature?
Li, Na, K, H
What is hydrogen gas?
This element is essential for bones and also found in chalk.
What is calcium (Ca)?
Which group contains 3 valence electrons?
What is group 13?
Identify the metalloid that can be found in Period 3
What is Silicon?
Across a period, how does electronegativity decrease?
What is from right to left?
Which of these is not a transition metal?
Fe, Zn, Cu, Pb
What is lead (Pb)?
This element comes from the word ferrum?
What is iron (Fe)?
Which group is the most stable group?
What is group 18?
This element has the highest number of protons
What is Oganesson?
Determine the relationship between the atomic radii of elements and their shells down a group?
As you travel down a group on the periodic table, the atomic radius increases due to the increasing number of electron shells
Which of these elements is not in the same period?
Na, Al, S, K
What is potassium (K)?
This element comes from the word aurum. Identify this element
What is gold? Au
An element with 2 valence electrons and can be found in the atmosphere
What is helium?