Starter Question

Starter Question Which of the following elements has a greater atomic radius? Silicon or sulfur? Magnesium or barium? Which of the following elements has a lower electronegativity? Oxygen or gallium? Calcium or antimony? Which of the following has a higher first ionization energy? Indium or aluminum? Strontium or iodine?

1. Most of the elements in groups 6-8 are classified as… a) alkali metals b) non metals c) transition metals d) alkaline earth metals 2. Which element has the highest electronegativity? a) fluorine b) Calcium c) Neon d) helium

3. How many valence electrons does a chlorine atom have if its electron configuration is [Ne] 3s2 3p5? a) 3 b) 21 c) 5 d) 7 4. It can be predicted that element 118 would have properties similar to a(n) a) alkali earth metal b) noble gas c) halogen d) metalloid

5. In which classification is an element placed if the outermost 3 sublevels of its atoms have a ground state electron configuration of 3p6 4s2 3d10? a) alkaline earth metals b) metalloids c) non metals d) transition metals 6. When a sodium atom becomes an ion, the size of the atom a) decreases by losing an electron b) decreases by gaining an electron c) increases by losing an electron d) increases by gaining an electron

7. The maximum number of electrons in any orbital is a) 1 b) 2 c) 3 d) 4 8. Compared to an argon atom a neon atom has a a) larger atomic number b) greater number of electrons c)smaller radius d) smaller first ionization energy

9. Which of the following has the highest frequency a) gamma rays b) x-rays c) microwaves d) radio waves 10. Calculate the frequency of green light which has a frequency of 5.20x10-8m When you are finished please place your tests in the tray on Miss Wheeler’s desk

1. Most of the elements in groups 6-8 are classified as… a) alkali metals b) non metals c) transition metals d) alkaline earth metals 2. Which element has the highest electronegativity? a) fluorine b) Calcium c) Neon d) helium

3. How many valence electrons does a chlorine atom have if its electron configuration is [Ne] 3s2 3p5? a) 3 b) 21 c) 5 d) 7 4. It can be predicted that element 118 would have properties similar to a(n) a) alkali earth metal b) noble gas c) halogen d) metalloid

5. In which classification is an element placed if the outermost 3 sublevels of its atoms have a ground state electron configuration of 3p6 4s2 3d10? a) alkaline earth metals b) metalloids c) non metals d) transition metals 6. When a sodium atom becomes an ion, the size of the atom a) decreases by losing an electron b) decreases by gaining an electron c) increases by losing an electron d) increases by gaining an electron

9. Which of the following has the highest frequency a) gamma rays b) x-rays c) microwaves d) radio waves 10. Calculate the frequency of green light which has a frequency of 5.20x10-8m c= νλ 3x108 = ν x 5.20x10-8 ν= 5.77x1015 Hz

You have the rest of the lesson to revise for your Unit 3 test on Thursday. • Review Chapters 5 & 6 of the textbook • Try the practice problems and end of chapter questions • Write notes • Write a quiz and quiz each other • Learn one area of the course and teach it to a friend, then have them reciprocate

Starter Question