Atoms & The Periodic Table Quiz

Which number tells you the number of protons in an atom?

• Atomic number

• Group number

• Atomic mass

Where are electrons found in an atom?

• The nucleus

• Orbitals

What is the name for the electrons in the outermost orbital of an atom?

• Core electrons

• Bohr models

• Valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which part of an atom has a positive charge?

• Protons

• Neutrons

• Electrons

Where are neutrons found in an atom?

• The nucleus

• Orbitals

What do we call a ROW on the periodic table?

• Group

• Element

• Period

• Family

Which two elements are in the same GROUP?

• D & R

• G & F

• F & D

Which element would have the SMALLEST atomic number?

• G

• V

• D

Which of these is a cation?

• Ca⁺²

• Cl^-

• O₂

Tags

NGSS.MS-PS2-3

Which of these is the correct Lewis dot diagram for sodium (Na?)

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