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Problem 1.11 Do the following statements describe chemical or physical properties? a)Oxygen gas supports combustion b)Fertilizers help to increase agricultural.

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Presentation on theme: "Problem 1.11 Do the following statements describe chemical or physical properties? a)Oxygen gas supports combustion b)Fertilizers help to increase agricultural."— Presentation transcript:

1 Problem 1.11 Do the following statements describe chemical or physical properties? a)Oxygen gas supports combustion b)Fertilizers help to increase agricultural production c)Water boils below 100°C on top of a mountain d)Lead is denser than aluminum e)Sugar tastes sweet Chemical Physical Chemical

2 Problem 1.12 Does each of the following describe a physical change or a chemical change? a)The helium gas inside a balloon tends to leak out after a few hours b)A flashlight beam slowly gets dimmer and finally goes out c)Frozen orange juice is reconstituted by adding water to it d)The growth of plants depends on the suns energy in a process called photosynthesis e)A spoonful of table salt dissolves in a bowl of soup Physical Chemical

3 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Li

4 lithium Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Li

5 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: F

6 fluorine Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: F

7 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: P

8 phosphorus Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: P

9 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Cu

10 copper Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Cu

11 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: As

12 arsenic Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: As

13 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Zn

14 zinc Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Zn

15 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Cl

16 chlorine Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Cl

17 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Pt

18 platinum Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Pt

19 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Mg

20 magnesium Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Mg

21 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: U

22 uranium Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: U

23 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Al

24 aluminum Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Al

25 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Si

26 silicon Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Si

27 Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Ne

28 neon Problem 1.13 Give the names of the elements represented by the chemical symbols: Give the names of the elements represented by the chemical symbols: Ne

29 Problem 1.14 Give the chemical symbols for the following elements: a)potassium b)tin c)chromium d)boron e)barium f)plutonium g)sulfur h)argon i)mercury K Sn Cr B Ba Pu S Ar Hg

30 Problem 1.15 Classify each of the following substances as an element or a compound: a)hydrogen b)water c)gold d)sugar

31 Problem 1.15 Classify each of the following substances as an element or a compound: a)hydrogen b)water c)gold d)sugar elements in yellow

32 Problem 1.16 Classify each of the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture. a)seawater b)helium gas c)sodium chloride d)a bottle of soft drink e)a milkshake f)air in a bottle g)concrete homogeneous mixture element compound homogeneous mixture heterogeneous mixture homogeneous mixture heterogeneous mixture


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