Protons, Electron, Neutrons, Atomic number

What is the atomic mass of Neon?

• 10
• 20.18
• 10.18
• 20.18

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

How many neutrons are in a Gold atom?

• 79
• 196
• 118
• 275

How many electrons does an Iodine atom have?

• 53
• 126
• 73
• 179

How many electrons are in a gold atom?

• 79
• 196
• 117
• 275

What is at the center of every atom?

• An electron

• A compound

• A molecule

• A nucleus

Which two particles make up the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Molecules and Compounds
• Neutrons and Electrons

What is the role of an electron in an atom?

• Electrons live inside the nucleus and carry a neutral charge.
• Electrons circle the nucleus and have a positive charge.
• Electrons circle the nucleus and have a negative charge.
• Electrons live inside the nucleus and have a negative charge.

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.

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

• The size of the nucleus.
• The number of protons.
• How much the atom weighs.
• The number of neutrons.