Atoms, Elements, and The Periodic Table Quiz

What is the smallest unit of an element that maintains the properties of that element?

• Molecule

• Atom

• Compound

• Electron

Which particle is found in the nucleus of an atom?

• Proton

• Electron

• Neutron

• Both A and C

What is the atomic number of an element?

• The number of protons in the nucleus

• The total number of protons and neutrons in the nucleus

• The number of electrons surrounding the nucleus

• The total mass of the atom

Which of the following elements is a noble gas?

• Nitrogen

• Oxygen

• Argon

• Carbon

What determines the chemical properties of an element?

• The number of neutrons

• The number of protons

• The number of electrons

• The total mass of the atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many elements are there in the Periodic Table as of the latest update?

• 108

• 118

• 120

• 126

What is the term for elements that have the same number of protons but different numbers of neutrons?

• Isotopes

• Isomers

• Alloys

• Compounds

Which of the following elements is a metalloid?

• Silicon

• Oxygen

• Helium

• Hydrogen

What is the charge of a proton?

• Positive

• Negative

• Neutral

• None of the above

What is the term for a substance made up of two or more different types of atoms bonded together?

• Compound

• Element

• Molecule

• Isotope

Tags

NGSS.MS-PS1-1