Chem Exam Review

Which element has a lower electronegativity?

• Li
• Rb

What element has 26 protons?

• Silver
• Iron

Which one has a higher ionization energy?

• K
• Fr

Which one has a higher electron affinity?

• Na
• K

Is volume intensive or extensive?

• Intensive
• Extensive

Which piece of lab equipment would you probably not use to boil 500 ml H2O using a Bunsen burner?

• Beaker
• Ring clamp
• Wire gauze
• Clay triangle

Heat changes H2O to steam. Is this physical or chemical change?

• Chemical
• Physical

Which subatomic particle determines an element's identity?

• Electron
• Protron
• Atom
• Neutron

Which statements are true?

• Fluorine has a bigger atomic radius than Francium
• The radius of an atom increases as you go from left to right across the periodic table.
• The radius of an atom increases as you go down a group in the periodic table.
• Francium has a larger atomic radius than Fluorine.

Which of these is a non-metal?

• Fr
• Pb
• Al
• Kr