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Difference between diatomic element and diatomic compound

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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

Reference no: EM132802250

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