Subatomic Particles
Vocab
Name that element
(Must be in nuclear notation)
BR diagrams (must be in hyphen notation)
100

This particle has a positive charge.

A proton

100

The atomic number is the same as the number of this particle.

Proton or Electron

100

This element has 20 protons and 20 neutrons

100

lithium-6

200

This particle's only contribution to the atom is to give the atom more mass.

A neutron

200

I show you the element, mass number and number of protons all in one. If you know your stuff - you can determine the number of neutrons too.

Nuclear symbol

200

Nitrogen with 8 neutrons

200

Magnesium-24

300

They are found in the nucleus.

protons and neutrons

300

When atoms have a different number of electrons and protons.

Ions

300

Atomic number 13 and a mass of 28

300

potassium-39

400

Have a neutral charge

Neutrons

400

I tell you the number of protons and electrons of an element

atomic number


400

6 Protons and 8 neutrons

400

neon-20

500

This particle has virtually no mass.

Electrons


500

I am the addition of the number of neutrons and protons

atomic mass

500

Sodium with a mass of 23 and  1 electron missing

500

lanthanum-139

1000

Draw a labeled atom (neutron, proton, electron, nucleus)

1000

I am often represented by the letter X

chemical symbol

1000

Chlorine with 19 neutrons and an extra electron

1000

Draw the bohr model of sodium missing an electron AND chlorine with an extra electron


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