Chemical Formula Study Questions

1.         What is an ion?

2.         What is an atom?

3.         What is an allotrope?

4.         What is an isotope?

5.         What is a polyatomic ion?

6.         What is a diatomic molecule?

7.         Which is more stable an element or a compound?

8.         What has to happen for a compound to form?

9.         What is the octet rule?

10.       Why do some elements form ionic rather than covalent compounds?

11.       What is the configuration of the ions in an ionic compound?

12.       What holds the ions together in an ionic compound?

13.       What is the general description of an ionic compound?

14.       What are the general properties of an ionic compound? (3 required for a test)

15.       Why do elements form covalent compounds?

16.       How do atoms achieve a noble gas configuration in a covalent compound?

17.       What is a molecule?

18.       What are the general properties of a covalent compound?

19.       What is the IUPAC rule from symbols of compounds with formal names?

20.       How are the symbols for newly discovered elements derived?

21.       What is the configuration for a symbol?

22.       What is a chemical formula?

23.       Which element is listed first in a chemical formula?

24.       The formula of an ionic compound gives the simplest ratio. What does the ration in a molecular compound represent?

25.       What is the oxidation number of an atom?

26.       What can happen to the electrons in a compound?

27.       Write the formula for a compound of Francium and Nitrogen.

28.       Write the formula for a compound of Iron(II) and Carbon.

29.       Write the formula for a compound of Ammonium and Dichromate.

30.       What is the name of Al₂Te₃?

31.       What is the name of H₂SO₄?

32.       What is the name of Sn₃As₄?

33.       Write the formula and name of a compound of Carbon and Arsenate.

34.       Write the formula and name of a compound of Magnesium and Phosphorous.