Elements
Atomic Theory
Density
Periodic Table Parts
Periodic Trends
100

The only metal that's liquid at room temp

Who is Mercury?

100

Represents the number of protons in an atom

What is atomic number?

100

The reason oil floats on water

What is, water is denser than oil?

100

Column IA

What are the alkali metals?

100

Element with smallest atomic radius: Na, K, or Rb

Who is Na?

200

The most reactive metal on the P. table

Who is Francium, Fr?

200

Number of these must match the number of protons in a neutral atom

Who are electrons?

200

20 g of substance / its volume of 10 mL

What is 2 g/mL?

200

Family with only s2 in their configuration

What is the alkaline earth metal family?

200

Largest size atom in the noble gas family

Who is Og?

300

The most reactive non-metal on the P. table

Who is Fluorine, F?

300

When an excited electron has a big fall back down, it emits this type of light

What is short wavelength light, like violet?

300

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?

300

Nonmetal Family having s2p5 in their configuration

What are the halogens?

300

Element with the most attraction to electrons (electronegativity)

Who is Fluorine?

400

The lightest element

Who is hydrogen, H?

400

These are atoms of the same element but have different numbers of neutrons

What are isotopes?

400

The reason that warm water floats on cold water

What is warm water has expanded, making its density less?

400

Family that has 0 oxidation number and is nonreactive

Who are the noble gases?

400

Row having elements with most shielding effect

Who is row 7?

500

Only liquid nonmetal at room temperature

Who is Bromine, Br?

500

Number of neutrons in Carbon-14

What is 8?

500

Mass of substance of density 2 g/mL and volume of 5 mL.

What is 10 g?

500

Name of the d-block elements in the middle of the table

Who are the transition metals?

500

Element having the highest ionization energy (hardest to remove electrons from it)

Who is fluorine?