1. The constituents of a mixture do not retain their original properties.   True   False   2. Which of the following is the smallest part of a compound, whose properties are the same as those of the compound?   Atom   Molecule   Element   Mixture   Hint Half-n-half Clue   3. Stainless steel is a mixture (alloy) of _______, _______, chromium, and nickel.   iron, carbon   aluminum, tin   lead, magnesium   copper, zinc   Half-n-half Clue   4. H2O and FeS represent _______.   compounds   elements   mixtures   Half-n-half Clue   5. Oxygen cannot be further subdivided into simpler substances by any physical or chemical means. Therefore, it is _______.   an element   a mixture   a compound   Half-n-half Clue   6. H2 and Fe represent _______.   mixtures   compounds   elements   Half-n-half Clue   7. Which of the following is an element?   Calcium chloride   Calcium chloride solution   Calcium   Half-n-half Clue