Worksheets3-1-2.3 Flame Test, Periodicity and Bonding Review
Total questions: 10
Worksheet time: 3hrs 30mins
An atom that has 7 valence electrons is in which group?
alkali metals
alkali earth metals
halogens
noble gases
When do electrons emit a photon?
As they go from an excited state to ground state
As they go from ground state to excited state
As they absorb energy
As they bump into one another
This element has 1 valence electron and 4 shells
Cl (Chlorine)
Aluminum (Al)
Sodium (Na)
Potassium (K)
Which element has the higher electronegativity?
Fluorine
Chlorine
Identify the unknown
Hydrogen
Helium
Oxygen
What element is this a possible Lewis Dot diagram of?
Lithium (Li)
Boron (B)
Phosphorous (P)
Oxygen (O)
Which is the group than contains compounds that will all emit a similar color if heated in a flame?
Group 1: CuSO4, BaSO4, MgSO4
Group 2: K2SO4, KCl, BaCl2
Group 3: Li2SO4, BaSO4, LiCl
Group 4: BaSO4, BaCl2, Ba(NO3)2
As you go across a period from left to right, ionization energy tends to
increase
decrease
stays constant
Choose the element with the largest atomic radius
Hydrogen (H)
Helium (He)
Lithium (Li)
Potassium (K)
Which group would have the HIGHEST electronegativities
Halogens
Alkali Earth Metals
Alkali Metals
Noble Gases
