What information can NOT be found from the atomic mass and atomic number for a neutral atom?

Question

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Number of valence electrons
Number of protons
Number of electrons
Number of neutrons
Why is hydrogen unique in its placement on the periodic table?
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Hydrogen is not found in nature.
Hydrogen has more than 1 valence electron.
Hydrogen is a nonmetal.
Hydrogen is only found as a liquid.
Elements in the same ______________ have similar chemical properties due to having the same number of valence electrons.
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What state of matter are most nonmetals?
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Solids
Liquids
Gases
Plasma
Nonmetals have which of the following characteristics?
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Ductile
Brittle
Malleable
Good conductors
You can find the atomic mass of an element by adding together the following:
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electrons
protons
neutrons
atomic radius
Which element has 5 valence electrons?
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Vanadium (V)
Boron (B)
Phosphorus (P)
Helium (He)
The periodic table organizes elements by increasing ______________ ______________ which is the number of protons.

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atomic number
mass number
circular radius
name of element
Label the following:

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Captionless Image
1. Neutron 2. Proton 3. Electron
1. Electron 2. Proton 3. Neutron
1. Proton 2. Neutron 3. Electron
Identify the atoms below. (answer left to right)

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Captionless Image
Neon, Silver, Gold
Boron, Hydrogen, Zinc
Carbon, Neon, Boron
Nitrogen, Carbon, Boron

Answer 1

Let's go through each question and provide the correct answers:

1. What information can NOT be found from the atomic mass and atomic number for a neutral atom?

   • Answer: Number of valence electrons

2. Why is hydrogen unique in its placement on the periodic table?

   • Answer: Hydrogen is a nonmetal.

3. Elements in the same ______________ have similar chemical properties due to having the same number of valence electrons.

   • Answer: Group (or Column)

4. What state of matter are most nonmetals?

   • Answer: Gases

5. Nonmetals have which of the following characteristics?

   • Answer: Brittle

6. You can find the atomic mass of an element by adding together the following:

   • Answer: protons and neutrons

7. Which element has 5 valence electrons?

   • Answer: Phosphorus (P)

8. The periodic table organizes elements by increasing ______________ ______________ which is the number of protons.

   • Answer: atomic number

9. Label the following:

   • Without the image, I cannot provide the exact labeling, but typically:
     • 1. Proton
     • 2. Neutron
     • 3. Electron
     • (The order may vary based on the diagram.)

10. Identify the atoms below (answer left to right):

    • Without the image of the atoms provided, I cannot definitively answer this. However, if you provide descriptions of the atoms or their positions in the periodic table, I can help you identify them.

Please provide any additional context or images if necessary for further clarification!