Reference no: EM132802250
1. Using your own words, explain the difference between a diatomic element and a diatomic compound.
2. Using your own words, define "polyatomic ion".
DO NOT look up a definition on the internet or in your textbook--answers that use others' words
3. Your friend tells you that the chemical formula of the compound formed between Ca2+ and S2- is as "Ca2S2". Why is it incorrect to write the formula that way?
4. A student writes the chemical formula of the compound formed between NH4+ and SO42- as "NH42SO4". Why is it incorrect to write the formula that way?
5. Which combination listed below is most likely to form ionic compounds?
metals and halogens
halogens and noble gases
metals and noble gases
transition metals and metalloids
6. Which compound listed below is molecular?
B2H6
PbCl2
LiF
KCl
7. Which compound listed below is ionic?
CCl4
CH4
NF3
NaBr
8. Which statement below most accurately describes carbon monoxide, CO?
It is a polyatomic molecule containing atoms of the same element.
It is a diatomic molecule containing atoms of the same element.
It is a polyatomic molecule containing atoms of different elements.
It is a diatomic molecule containing atoms of different elements
9. Members of which group listed below can form cations with multiple different charges (i.e. which group forms variable charge cations)?
transition metals
alkaline earth metals
metalloids
alkali metals
10. What is the formula of the binary compound formed between strontium and chlorine?
SrCl2
Sr2Cl
SrCl
Sr2Cl2