Which pair has the stronger ionic bond:

- MgCl2 vs. NaCl2
- NaCl vs. LiCl

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.