FORM 2 CHEMISTRY ONLINE TEST SERIES TRENDS IN THE PERIODIC TABLE 1. As you go down group 1, from lithium to francium, what happens to the reactivity of the elements? A. It increases B. It remains the same C. It decreases D. There is no pattern to the changes 2. As you go down group 7, from fluorine to astatine, what happens to the reactivity of the elements? A. It increases B. It remains the same C. It decreases D. There is no pattern to the changes 3. As you go across the periods of the periodic table, what happens to the reactivity of the elements? A. It increases B. It stays the same C. It decreases D. There is no pattern to the changes 4. What property can explain the changes in reactivity as you go down a group of elements? A. Number of protons B. Number of electrons in the outer shell C. Number of electron shells D. Number of neutrons 5. As you go across a period of the table, what do the elements have the same number of? A. Electrons in the outermost energy shell B. Number of energy shells C. Number of neutrons in the nucleus D. Number of electrons 6. What happens to the density of group 1 metals as you go down the group? A. It stays the same B. It increases C. It decreases D. It doesn’t follow any pattern 7. What are the elements arranged in order of in the periodic table? Atomic number Atomic mass Electron shells Atomic radii 8. What happens to density as you go down group 8? A.It decreases B. It increases C. It stays the same D. It doesn’t follow any pattern 9. Why does the atomic radius of an element increase as you go down a group? A. There are more protons in the element B. There are more neutrons in the element C. There are more electrons in the nucleus D. There are more electron shells around the nucleus 10. What happens to the reactivity as you go down group 8? A. It increases B. It decreases C. It stays the same D. It doesn’t follow any pattern Loading … Question 1 of 10