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Unit 6.1 - Elements
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- 1Chapter 6.1 -Elements-By Jannat Abbas
8a - 21. What are elements?Substances made up of 1 type of atom
- 32. What are atoms?The smallest building blocks of the universe
- 43. How do scientists see these atoms?Using an STM:
Scanning
Tunneling
Microscope
- 54. What do properties mean?Characteristics or features
- 65. What are elements normally classified by?Metallic and non-metallic elements
- 76. Give 5 Examples of metallic elements:-Gold
-Iron
-Copper
-Tin
-Mercury
- 87. Give 5 properties of metals:Metals are:
-Malleable
-Ductile
- Good conductors of heat + electricity
-Solid at room temperature
-Lustrous
- 98. What does "malleable" mean?When a metal can be bent and hammered into sheets
- 109. What does "ductile" mean?When a metal can be stretched into wires
- 1110. What is special about mercury?It's the only metallic element that is liquid at room temperature
- 1211. What is one property of iron?It can be shaped into a spring
- 1312. What is one property of gold?It is mostly used for jewelry
- 1413. What is one property of copper?It has a typical metallic shine
- 1514. What is special about non-metallic elements?They are the exact opposite of metallic elements
- 1615. Name 3 properties of non-metallic elements:They:
-Tend to be dull
-Don't conduct heat nor electricity
-Are brittle and break up easily
- 1716. What is special about "bromine"?It's the only non-metal which is liquid at room temperature
- 1817. What is special about "iodine"?It forms crystals at room temperature, but turns to a purple gas when heated
- 1918. All in all, how many elements are there in total?118
- 2019. How many elements occur naturally and how many are man-made?Natural: 98
Man-made: 20
- 2120. List two things every element has.1. Atoms (1 or more)
2. A unique set of features - 2221. How are elements listed on the periodic table?From lightest to heaviest
- 23Bonus: How are the chemical symbols for each element written down?Two letters.
1st letter is capital, 2nd letter is lowercase
- 24And good job for getting through this whole stack :)
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- 22 Q's about 6.1 - Elements
- Erstellt von
- Jannat Abbas · Mai 2019
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- 4 Mai 2019
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