Periodic Table and Atomic Structure Quiz

Which particle determines the atomic number of an element?

• Protons

• Neutrons

• Electrons

• Ions

Which region of the periodic table contains the noble gases?

• Group 1

• Group 2

• Group 17

• Group 18

What is the charge of a neutron?

• +1

• –1

• 0

• +2

An atom with 11 protons belongs to which element?

• Lithium

• Sodium

• Magnesium

• Potassium

Tags

NGSS.MS-PS1-1

When an atom gains an electron, it becomes a:

• Positive ion

• Negative ion

• Neutral atom

• Noble gas

Which element is a halogen?

• Neon

• Chlorine

• Sodium

• Aluminum

The mass number of an atom is the sum of:

• Protons only

• Electrons and protons

• Protons and neutrons

• Neutrons only

Which part of the periodic table contains the most reactive metals?

• Transition metals

• Actinides

• Alkali metals

• Noble gases

What does the term “ion” refer to?

• A particle with no charge

• A particle with a different number of protons

• A charged atom or molecule

• A type of isotope

Tags

NGSS.MS-PS1-5

An isotope of carbon has 6 protons and 8 neutrons. Its mass number is:

• 6

• 8

• 12

• 14