Question | Answer |
How do polyatomic ions differ from monatomic ions? | A polyatomic ion is composed of more than one atom |
How are polyatomic and monatomic ions similar? | Both mono and polyatomic ions behave as a unit and carry a charge. |
What is the only common group 3A metal? | Aluminum |
What two groups do the majority of elements usually not form ions from? | Group 4A and 8A |
For a classical name what does (-ous) mean? | It is the cation with the smaller charge |
For a classical name what does the (-ic) mean? | It is the cation with a larger charge |
What do the names of polyatomic anions end in? | -ite or -ate |
The -ite indicates what in a polyatomic chemical formula? | it has one less oxygen atom than the -ate ending |
All anions with the names ending in what, contain oxygen atoms? | -ite or -ate |
What did the French chemist Antoine-Laurent Lavoisier determine? | Determined the composition of many compounds in his experiments to show how chemical compounds form. He developed a systematic method for naming chemical compounds. |
What is an acid consisted of? | An anion combined with as many hydrogen ions needed to make the molecule electrically neutral. |
What is the general form of chemical formulas for acids? | HnX |
What does the general form of chemical formulas of acids stand for? | H- hydrogen, n is the subscript showing the number of hydrogen atoms that are combined with the anion and X is a mono or polyatomic anion |
How is the law of definite proportions consistent with Dalton's atomic theory? | Dalton postulated that atoms combine in simple whole-number ratios. |