Atomic Basics Day 1

What particle provided the positive charge for an atom?

• proton 
• neutron
• electron
• nucleus

Which particle does not contribute mass to the atom?

• Proton
• Neutron
• Electron
• Nucleus

Which particle contributes the negative charge to the atom?

• proton
• electron
• neutron
• nucleus

How many protons are in this element?

• 79
• 196
• 117
• Cannot be determined

Which of the following statements about protons and neutrons is true?

• Protons weigh much more than neutrons
• Neutrons weigh much more than protons
• Protons and neutrons weigh about the same
• Neither protons or neutrons have any weight

What is the atomic mass (rounded to the nearest whole number) of this element

• 196
• 196.95
• 197
• 79

An element can be defined by the number of ___________ in the nucleus of its atoms.

• protons
• neutrons
• electrons
• atoms

Where are protons located in an atom?

• nucleus
• electron cloud
• neutron
• who knows?

Where are neutrons located within an atom?

• nucleus
• electron cloud
• neutron
• who knows?

An atom's protons and neutrons are concentrated in a dense, central region called the...

• electron cloud
• nucleus
• proton
• neutron