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Atomic Structure
Element Identification
Families
Element Trivia
100

Tells you the number of protons in an element.

Atomic Number

100

The center of the atom is called this.

Nucleus

100

The element with an atomic number of 82.

Lead

100

Iodine is part of this family.

Halogens

100

The top four elements in our body are

C, N, O, and H

200
By subtracting mass and atomic number, you can determine what?

Subtract the atomic number from the atomic mass

200

Particles in the atom with a positive charge.

Proton

200

What element has an atomic mass of 238.

U, Uranium

200

The smallest noble gas.

Helium

200

The most abundant element in the universe.

Hydrogen.

300

Elements with unstable nuclei that break down spontaneously and give off energy.

Radioactive

300

The charge of a neutron is this.

Neutral

300
What is the name of the element with the elemental symbol Zr?
Zirconium
300

The most reactive metal family.

Alkali metals

300
The most abundant element in the air that we breathe.

Nitrogen.

400

The number of liquids at room temperature on the Periodic Table.

2

400

Electrons surround the protons and neutrons in these.

Electron shells

400

The first nonmetal on the Periodic Table

Hydrogen.

400

The only family with all three states of matter.

Halogens.

400

Toxic metal that is a liquid at room temperature.

Mercury

500
One of the radioactive elements used in the atomic bombs of WWII.

Uranium or Plutonium

500

Subatomic particle with "no" mass

Electrons

500

The first metal on the periodic table

Lithium

500

The lanthanides and actinides are part of this family.

Inner transition metals.

500

Number of electron shells that Uranium has.

7