Elements, Reactivity, Periodic Table

Which element is more reactive?

• Magnesium (Mg)

• Boron (B)

• Neon (Ne)

• Potassium (K)

Is this at stable or reactive?

• Stable

• Reactive

The groups on the Periodic Table are listed...

• Horizontally

• Vertically

The Periodic Table's periods are listed...

• Horizontally

• Vertically

What is the total number of protons, neutron, and electrons in a Rhodium, Rh, atom?

• 148

• 45

• 58

• 275

What decides an elements reactivity?

• It's proton count

• It's electron count

• An elements valence electrons

• The elements mass

What determines an element's energy levels?

• The electron shells

• The reactivity

• It's stability

Which element is least reactive?

• Fluorine (F)

• Xenon (Xe)

• Hydrogen (H)

• Indium (In)

Which is more reactive Helium (He) 2 or Florine (F) 9?

• Helium

• Florine

• they are roughly the same

What is the chemical symbol for the element Chlorine

• C
• Cl
• cl
• Ch