Periodic Table Quiz

The whole number at the top of the entry in the periodic table. This represents the number of protons in an atom of that element and is unique to each element.

• Atomic number

• Mass number

• Valence number

• Isotope number

The positively charged subatomic particles located in the nucleus of the atom.

• Protons

• Neutrons

• Electrons

• Photons

The whole or decimal number at the bottom of each entry in the periodic table.

• Atomic mass

• Atomic number

• Valency

• Electron configuration

The negatively charged subatomic particles spinning in energy shells around the nucleus.

• Electrons

• Protons

• Neutrons

• Positrons

Tags

NGSS.HS-PS1-1

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Matter that is made up of only one kind of atom (pure substance).

• Element

• Compound

• Mixture

• Solution

Tags

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The 18 columns of the periodic table. Tells you the number of valence electrons.

• Groups

• Periods

• Rows

• Blocks

The term used for the energy shells that contain electrons around the nucleus of an atom.

• Orbitals

• Electron configuration

• Periods

• Axial tilt

Tags

NGSS.HS-PS1-1

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The neutral-charged subatomic particles in the nucleus of an atom that keep the protons from repelling each other

• Neutrons

• Electrons

• Protons

• Nontrons

The 7 rows of the periodic table. Tells you the number of electron orbitals every element in that row contains.

• Period

• Group

• Column

• Orbitals

The smallest whole unit of matter.

• Atom

• Molecule

• Cell

• Electron

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5