Elements Symbols Description Density Melting Point Boiling point g/mc Degrees C Degree C
Aluminum Al Silver solid 2.7 660 2467
Bromine Br Dark brown liquid 3.12 -7.2 58.878
Cadmium Cd Grey solid 8.65 321 765
Carbon C Black solid 2.27 3550 4827
Chlorine Cl Greenish Gas 0.00298 -101 -34.6
Copper Cu Orange-brown solid 8.96 1083 2567
Gold Au Yellow solid 19.3 1064 2807
Helium He Colorless gas 0.0001785 -272.2 -268.9
Hydrogen H Colorless gas 0.0000898 -259.1 -252.9
Iodine I Silver-black solid, 4.93 113.5 184.35
violet, gas
Iron Fe Grey solid 7.87 1535 2750
Krypton Kr Colorless gas 0.003749 -156.6 152.30
Lead Pb Grey solid 11.35 327.5 1740
Magnesium Mg Silver solid 1.74 649 1090
Mercury Hg Silver liquid 13.546 -38.84 356.6
Oxygen O Colorless gas 0.001429 -218.4 -182.96
Silver Ag Silver solid 10.5 961.9 2212
Sulfur S Yellow solid 2.07 112.8 444.7
Tin Sn Silver solid 7.31 231.9 2270
Titanium Ti Solid 4.54 1660 3287
Zinc Zn Grey solid 7.13 419.6 907
Use the above chart to answer the following questions. Give the name and symbol of each element in the answers.
1. This substance is a colorless, odorless gas. It is used as rocket fuel for the space shuttle It has a low density, is explosive when combined with oxygen. and is lighter-than-air. When combined with oxygen, it forms water.
2. This substance is a ductile, malleable metal. It has a density of 19.3 g/cm3.
3. This lighter-than-air substance is used in the GoodYear Blimp. It is a colorless gas having a boiling point of –268.9 degrees C.
4. This solid is silver- black. It has a density of 4.93 g/cm3. It is required by the body in small amounts for the proper functioning of the thyroid gland.
5. This substance is dark brown. It has the melting point below the melting point of ice. It has a density of 3.12g/cm3 and is added to vegetable oils to increase their density.
6. This element is used in airplane construction. It has a density of 2.7g/cm.
7. This greenish-yellow gas has a density of 0.002 98 g/cm3. It reacts with sodium to produce ordinary table salt.
8. This substance is yellow and brittle. It is a nonmetal. It melts at 112.8degreesC.
9. This substance is a grey solid. It has a density of 11.35 g/cc.. It is present in compounds in gasoline.
10. This substance burns with a very bright flame. It has a density of 1.74 g/cc. Some hubcaps on automobiles are made out of this element.
11. This element is a liquid at room temperature. It freezes at –38.84degreesC. It has a density of 13.5 g/cm3. It is toxic to humans and is sometimes found in fish at dangerous levels to humans.
12. This element melts at 1660degreesC. It has a density of 4.54 g/cc. It is used to make an alloy called steel.
13. This element exist in allotropic forms. Diamonds, charcoal, and the material in a pencil contain this element. This element forms two different compounds with oxygen. One oxide is very toxic. We exhale the other oxide.
14. This element is a noble gas. It has a melting point of –156.6degreesC and a boiling point of –150.30degreesC. It is a very unreactive element.
15. This element is a poisonous metal. A pack of cigarettes contains about 20 micro grams of this substance. You breathe the smoke from the cigarettes, about half of the element is absorbed by the body. In small amounts, this substance causes high blood pressure. In large amounts, the kidneys and liver are damaged. It is a grey solid and has a density of 8.65 g/cm3.