3 years ago

Describe two physical properties of matter and how those properties are measured.

1 answer:

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Answer:

Density, solubility, melting point, boiling point, polarity, etc.

Density - Mass divided by volume = density (scale and beaker can be used)

Boiling point- Can be determined by the capillary method (where an inverted capillary is put in the liquid you’re finding out for and the liquid is heated)

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What is the oxidation number of tin (Sn) in the compound Na2SnO2? A. -2 B. 0 C. +2 D. +3

Allisa [31]

O.N. of Na = +1

O.N. of O = -2

Let, O.N. of Tin = x

1*2 + x + -2*2 = 0

2+x-4 = 0

x-2 = 0

x = 2

SO OPTION C IS YOUR ANSWER......

7 0