Atoms & the Periodic Table

Which of the following is a subatomic particle with a neutral charge that is found in the nucleus of an atom?

• Electron
• Proton
• Neutron
• Quark

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

Which of the following includes all of the subatomic particles found in the nucleus of an atom?

• Electrons and protons
• Electrons, protons, and neutrons
• Neutrons and electrons
• Protons and neutrons

An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?

• 15
• 31
• 16
• 47

An atom has an atomic number of 30 and a mass number of 65. How many neutrons are in the atom?

• 30
• 65
• 35
• 95

An atom has 5 protons and 7 neutrons. What is the atomic number of the atom?

• 5
• 7
• 2
• 12

Vertical columns on the periodic table are called __.

• groups or families
• periods or families
• groups or periods
• families or periods

The particle that moves around the nucleus is a(n)   .

• proton
• ion
• neutron
• electron

What is the mass of a proton? 

• 0 amu
• 1 / 10,000 amu

• 1 gram
• 1 amu

What is the Atomic Number?

• 7
• 6.941
• 3
• 6