Answers: 2
Chemistry, 22.06.2019 04:30
Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat
Answers: 2
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 12:00
Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.
Answers: 3
Explain what happens to particles in a chemical reaction between metal and oxygen...
Social Studies, 16.12.2019 10:31
English, 16.12.2019 10:31
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Mathematics, 16.12.2019 10:31
Social Studies, 16.12.2019 10:31
Mathematics, 16.12.2019 10:31
English, 16.12.2019 10:31
Mathematics, 16.12.2019 10:31
History, 16.12.2019 10:31
Mathematics, 16.12.2019 10:31
Mathematics, 16.12.2019 10:31