1.what combines to form compounds?
a. atoms of elements
b. molecules
c. minerals
d. valences
2.which statement is an accurate comparison of the properties of compounds and te properties of the elements that the compounds contain?
a. they are always identical
b. they are different
c. they are similar
d. they represent opposite characteristics
3.an atome of sodium (na) gives up an electron to chlorine (cl) to form table salt. what type of bond is this? choose the best answer.
a. compound bond
b. covalent bond
c. ionic bond
d. molecular bond
4.what type of bond is taking place when atoms share their outer valence electrons? choose the best answer
a. covalent bond
b. compound bond
c. ionic bond
d. molecular bond