Atoms Assignment

What are the three parts of the atoms?

• Protons, Neutrons, Electricity
• Protin, Neuron, Electon
• Protons, Neutrons, Electrons
• Plus, Minus, Neuron

In order to identify an element we use the atomic number, which is also the number of ________.

• Positives
• Neutrons
• Electrons
• Protons

In order to have a neutral charge, an atom must have and equal amount of ________ and _________?

• Electrons and Protons
• Protons and Neutrons
• Positive and Neutral
• Electrons and Neutrons

The mass number of an element is the _______ plus the ________?

• Protons plus the Electrons
• Protons plus the Neutrons
• Electrons plus the Neutrons
• Electrons plus the mass

What do we do with the mass number in order to make it simple?

• add
• subtract
• round
• increase

Elements that have the same number of protons but a different number of neutrons are known as?

• Compare
• Carbon
• Isomeres
• Isotopes

In the isotope Carbon-12, what does the 12 mean?

• Number of Protons
• Mass number
• Electrons
• Neutrons

If you compare Carbon-12 and Carbon 14, Carbon 14 has two extra _________?

• Protons
• Neutrons
• Electrons
• Energy

The mass given in the periodic table is the average of all the isotopes on the planet

• True
• False

Why are elements different? Because they have different number of ....

• Protons
• Neutrons
• Electron