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Bromine. 3. Draw the Bohr Diagram for Magnesium.

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Presentation on theme: "Bromine. 3. Draw the Bohr Diagram for Magnesium."— Presentation transcript:

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3 Bromine.

4 3. Draw the Bohr Diagram for Magnesium.

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10 c = speed of light (constant) λ = wavelength ν = frequency

11 c = speed of light (constant) λ = wavelength ν = frequency E = energy h = Planck’s constant

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27 Isotopes of an atom could be detected based on which of the following characteristics? atomic radius nuclear charge nuclear mass number of electrons

28 A substance dissolves well in water but not in benzene. Which of the following can be concluded about the substance? The substance may be either polar or nonpolar. The substance may be either polar or nonpolar. The substance is nonpolar. The substance is polar. The substance is neither polar nor nonpolar.

29 When bonded with sulfur, which element will most likely form an ionic compound? oxygen calcium hydrogen chlorine

30 A violent reaction occurs when sodium is placed in water. Which element would produce a similar reaction with water? Mg S K Cr

31 How many moles of sodium carbonate are in 500. mL of a M solution of sodium carbonate? mole mole 3.18 moles 150. moles

32 When you are done with an experiment, how should you dispose of used chemicals? Mix all chemicals in a waste container and dump them in the trash. Mix all chemicals in a waste container and dump them in the trash. Pour all chemicals down the sink. Follow the intructions given to properly dispose of the particular chemical(s). Follow the intructions given to properly dispose of the particular chemical(s). Mix the chemicals in a flask, and heat the mixture until it evaporates into the air. Mix the chemicals in a flask, and heat the mixture until it evaporates into the air.

33 Which of the following diatomic molecules has a triple bond? F 2 F 2 F 2 F 2 O 2 O 2 O 2 O 2 N 2 N 2 N 2 N 2 H 2 H 2 H 2 H 2

34 A 2L sample of helium gas is heated under constant pressure from 20 o C to 60 o C. What is the final volume of the sample? 2.27 L 2.27 L 2.27 L 2.27 L 1.76 L 1.76 L 1.76 L 1.76 L 6.00 L 6.00 L 6.00 L 6.00 L 0.67 L 0.67 L 0.67 L 0.67 L

35 The nucleus of an atom emits a particle. The particle is equal in size to a helium nucleus. What is this particle? an alpha particle a beta particle a neutron a gamma ray

36 Which compound will NOT dissolve in water? (NH 4 ) 2 S (NH 4 ) 2 S FeCO 3 FeCO 3 Na 2 S Na 2 S K 3 PO 4 K 3 PO 4

37 Baking soda is a white powder. It is a base with the formula NaHCO 3. When vinegar containing acetic acd is poured onto the powder, bubbles appear. This reaction is called carbonation titration neutralization combustion

38 Which of the following elements is the most electronegative? [He] 2s 2 2p 3 [He] 2s 2 2p 3 [He] 2s 2 2p 4 [He] 2s 2 2p 4 [He] 2s 2 2p 5 [He] 2s 2 2p 5 [He] 2s 2 2p 6 [He] 2s 2 2p 6

39 Which of the following compounds does not feature covalent bonding? CCl 4 CCl 4 KCl H 2 O H 2 O O 2 O 2

40 Identify the element with an [Ar] 4s 2 electron configuration? potassium calcium titanium germanium

41 Tritium is the form of hydrogen that contains two neutrons and one proton. What is the relationship between tritium and hydrogen? Tritium is an isotope of hydrogen Hydrogen is an isotope of tritium Tritium is an ion of hydrogen Hydrogen is ionized tritium

42 Which of the following elements is the MOST easily ionized? nitrogen neon carbon lithium

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44 Na

45 Bromine. Br

46 3. Draw the Bohr Diagram for Magnesium.

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52 c = speed of light (constant) λ = wavelength ν = frequency

53 c = speed of light (constant) λ = wavelength ν = frequency E = energy h = Planck’s constant

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69 Isotopes of an atom could be detected based on which of the following characteristics? atomic radius nuclear charge nuclear mass number of electrons

70 A substance dissolves well in water but not in benzene. Which of the following can be concluded about the substance? The substance may be either polar or nonpolar. The substance is nonpolar. The substance is polar. The substance is neither polar nor nonpolar.

71 When bonded with sulfur, which element will most likely form an ionic compound? oxygen calcium hydrogen chlorine

72 A violent reaction occurs when sodium is placed in water. Which element would produce a similar reaction with water? Mg S K Cr

73 How many moles of sodium carbonate are in 500. mL of a M solution of sodium carbonate? mole mole 3.18 moles 150. moles

74 When you are done with an experiment, how should you dispose of used chemicals? Mix all chemicals in a waste container and dump them in the trash. Mix all chemicals in a waste container and dump them in the trash. Pour all chemicals down the sink. Follow the intructions given to properly dispose of the particular chemical(s). Follow the intructions given to properly dispose of the particular chemical(s). Mix the chemicals in a flask, and heat the mixture until it evaporates into the air. Mix the chemicals in a flask, and heat the mixture until it evaporates into the air.

75 Which of the following diatomic molecules has a triple bond? F 2 F 2 F 2 F 2 O 2 O 2 O 2 O 2 N 2 N 2 N 2 N 2 H 2 H 2 H 2 H 2

76 A 2L sample of helium gas is heated under constant pressure from 20 o C to 60 o C. What is the final volume of the sample? 2.27 L 2.27 L 2.27 L 2.27 L 1.76 L 1.76 L 1.76 L 1.76 L 6.00 L 6.00 L 6.00 L 6.00 L 0.67 L 0.67 L 0.67 L 0.67 L

77 The nucleus of an atom emits a particle. The particle is equal in size to a helium nucleus. What is this particle? an alpha particle a beta particle a neutron a gamma ray

78 Which compound will NOT dissolve in water? (NH 4 ) 2 S (NH 4 ) 2 S FeCO 3 FeCO 3 Na 2 S Na 2 S K 3 PO 4 K 3 PO 4

79 Baking soda is a white powder. It is a base with the formula NaHCO 3. When vinegar containing acetic acd is poured onto the powder, bubbles appear. This reaction is called carbonation titration neutralization combustion

80 Which of the following elements is the most electronegative? [He] 2s 2 2p 3 [He] 2s 2 2p 3 [He] 2s 2 2p 4 [He] 2s 2 2p 4 [He] 2s 2 2p 5 [He] 2s 2 2p 5 [He] 2s 2 2p 6 [He] 2s 2 2p 6

81 Which of the following compounds does not feature covalent bonding? CCl 4 CCl 4 KCl H 2 O H 2 O O 2 O 2

82 Identify the element with an [Ar] 4s 2 electron configuration? potassium calcium titanium germanium

83 Tritium is the form of hydrogen that contains two neutrons and one proton. What is the relationship between tritium and hydrogen? Tritium is an isotope of hydrogen Hydrogen is an isotope of tritium Tritium is an ion of hydrogen Hydrogen is ionized tritium

84 Which of the following elements is the MOST easily ionized? nitrogen neon carbon lithium


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