Atoms Review

The word atom comes from a Greek word meaning what?

• negative

• indivisible

• tiny

• basic

Order the particles from largest to smallest

• atom, nucleus, proton/neutron, electrons

• electrons, proton/neutron, nucleus, atom

• nucleus, electrons, atom, proton/neutron

• atom, nucleus, electrons, proton/neutron

Normal neutral iron has:

• 26 protons, 29 neutrons, 26 electrons

• 26 protons, 30 neutrons, 28 electrons

• 26 protons, 30 neutrons, 26 electrons

• 30 protons, 26 neutrons, 26 electrons

Choose all similarities between protons and neutrons

• Same charge

• Same mass

• Both located in the nucleus

• Both depend on the atomic mass

How many electrons does K have?

• 19

• 34

• 18

• 20

What belongs in the empty box

• Quarks

• Nucleus

• Mass

• Electron Cloud

Which one is a Lithium atom?

• 
• 
• 
• 

The atomic number tells you the sum of the protons and neutrons in the nucleus.

• True

• False

Atomic Mass =

• Electrons + protons

• Protons - electrons

• Protons + neutrons

• Neutrons + quarks

What is particularly odd about the normal hydrogen atom?

• There's only one proton

• There's only one electron

• There's only one electron ring

• There are no neutrons