Atomic Discovery and Structure Quiz

What indicates the total number of protons and neutrons in an atom?

• atomic number

• mass number

• ionic number

What is the smallest particle of an element that retains the properties of that element?

• atom

• ion

• isotope

What is the atomic number?

• the number of neutrons

• the number of protons

• the number of ions

What are the three subatomic particle?

• Protons, neutrons and electrons

• Protons, neutrons and isotopes

• Protons, electrons and neutrinos

How many protons does a lithium (Li) atom have?

• 7

• 3

• +1

What element has 26 protons?

• iron

• aluminum

• polonium

• tungsten

How many electrons are in a neutral oxygen atom?

• 8

• 16

• 12

• 2

Tags

NGSS.MS-PS1-1

What two subatomic particles are in the nucleus of the atom?

• Electrons and Protons

• Protons and Neutrons

• Neutrons and Electrons

What element does an atomic number of 17 represent?

• Cl

• Sb

• Te

• In

Which two subatomic particles have mass?

• protons and neutrons

• protons and electrons

• neutrons and electrons