atomic revision

The blue dots in this diagram represent

• electrons

• protons

• neutrons

• nucleus

The positively charged yellow dots in this diagram represent

• electrons

• protons

• neutrons

• nucleus

The neutrally charged red dots in this diagram represent

• neutrons

• protons

• electrons

• nucleus

The central cluster of particles in this diagram represent

• neutrons

• protons

• electrons

• nucleus

What element is this?

• oxygen

• carbon

• nitrogen

• sodium

Which part of the atom determines what element it is?

Type in: "the number of _______"

What type of radiation is this?

• alpha

• beta

• gamma

• delta

This type of radiation can be stopped by

• concrete/lead

• aluminum/wood

• paper/skin

• all of the above

This type of radiation travels

• centimeters

• metres

• many metres

• many kilometers

Draw the symbol for alpha