The only metal that's liquid at room temp
Who is Mercury?
Represents the number of protons in an atom
What is atomic number?
The reason oil floats on water
What is, water is denser than oil?
Column IA
What are the alkali metals?
Element with smallest atomic radius: Na, K, or Rb
Who is Na?
The most reactive metal on the P. table
Who is Francium, Fr?
Number of these must match the number of protons in a neutral atom
Who are electrons?
20 g of substance / its volume of 10 mL
What is 2 g/mL?
Family with only s2 in their configuration
What is the alkaline earth metal family?
Largest size atom in the noble gas family
Who is Og?
The most reactive non-metal on the P. table
Who is Fluorine, F?
When an excited electron has a big fall back down, it emits this type of light
What is short wavelength light, like violet?
Cork's density is 0.5 g/mL. Corn syrup's density is 1.6 g/mL. Water's density is 1 g/mL. Their layering from top to bottom is....
What is cork, water, corn syrup?
Nonmetal Family having s2p5 in their configuration
What are the halogens?
Element with the most attraction to electrons (electronegativity)
Who is Fluorine?
The lightest element
Who is hydrogen, H?
These are atoms of the same element but have different numbers of neutrons
What are isotopes?
The reason that warm water floats on cold water
What is warm water has expanded, making its density less?
Family that has 0 oxidation number and is nonreactive
Who are the noble gases?
Row having elements with most shielding effect
Who is row 7?
Only liquid nonmetal at room temperature
Who is Bromine, Br?
Number of neutrons in Carbon-14
What is 8?
Mass of substance of density 2 g/mL and volume of 5 mL.
What is 10 g?
Name of the d-block elements in the middle of the table
Who are the transition metals?
Element having the highest ionization energy (hardest to remove electrons from it)
Who is fluorine?