All About Atoms

What do protons, electrons and neutrons make?

• element

• compound

• atom

What is at the center of every atom?

• an electron
• a compound
• a molecule
• a nucleus

True or False? Neutrons have a negative charge

• True
• False

In an atom, what is the number of protons equal to?

• the number of electrons
• the number of neutrons
• the number of molecules
• the number of nuclei

Where are electrons of an atom found?

• Nucleus
• Electron Cloud
• Some are in the nucleus and some in the electron cloud.
• They are moving everywhere.

Which of the following determines the type of element that an atom makes?

• size of the nucleus
• number of protons
• how much the atom weighs
• number of neutrons

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

The central region of an atom where its neutrons and protons are is its

• nucleus

• electron cloud

• core

• center

What does the atomic number tell you?

• The number of neutrons

• The number of protons

• The number of protons + neutrons

How many protons are in Neon?

• 20

• 10

• 30