What does the word atom (atomos) mean?

• Uncuttable

• TIny

• Spherical

• Smallest

What are the 3 subatomic particles called? TIck all the correct boxes

• Electrons

• Protons

• Neutrons

• Nucleus

What do we call the simplified model that we use to show atoms when learning GCSE chemistry?

• Bohr model

• Circular model

• Electron cloud

• plum pudding model

If a nitrogen nucleus was the size of a common house spider (about 3cm) how big would the entire atom be?

• 10 football pitches

• 1 football pitch

• 10cm

• 1000cm

Tick the correct boxes to show which subatomic particles are found in the nucleus

• Protons

• Neutrons

• Electrons

True or False the protons and neutrons give the atom most of its mass

• True

• False

Which atom is bigger?

• Gold

• Nitrogen

True or false - changing the number of neutrons in an atom will change its chemical properties?

• True

• False

Tags

NGSS.MS-PS1-1

The smaller number next to each element on the periodic table tells us how many ____________ it has

• protons

• neutrons

• nucleus

• Morrison's bags for life

Protons are positively charged or negatively charged?

• Positive

• Negative