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mr Goodwill [35]
3 years ago
13

Why does a salt compound give off light when burned.

Chemistry
1 answer:
Nutka1998 [239]3 years ago
4 0
Answer- when heated, the elections in atoms absorb energy and are elevated to higher energy levels.
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Which element has a greater electronegativity?<br> fluorine (9) or radium (88)
emmainna [20.7K]

Answer:

Fluorine

General Formulas and Concepts:

<u>Chemistry</u>

  • Reading a Periodic Table
  • Periodic Trends
  • Electronegativity - the tendency for an element to attract an electron to itself
  • Z-effective and Coulomb's Law, Forces of Attraction

Explanation:

The Periodic Trend for Electronegativity is up and to the right of the Periodic Table.

Fluorine is Element 9 and has 9 protons. Radium is Element 88 and has 88 protons. Therefore, Radium has a bigger Zeff than Flourine.

However, since Radium is in Period 7 while Fluorine is in Period 2, Radium has more core e⁻ than Fluorine does. This will create a much larger shielding effect, causing Radium's outermost e⁻ to have less FOA between them. Fluorine, since it has less core e⁻, the FOA between the nucleus and outershell e⁻ will be much stronger.

Therefore, Fluorine would attract an electron more than Radium, thus bringing us to the conclusion that Fluorine has a higher electronegativity.

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klasskru [66]
Oxygen is a no reactive gas
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Why elements in the same group have the same charge
frozen [14]
In many cases, elements that belong to the same group (vertical column) on the periodic table form ions with the same charge because they have the same number of valence electrons.
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Orange juice is _____.<br> an acid<br> a base<br> a neutral
weqwewe [10]
An acid because of its high content of citric acid
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10/28 11. If the subscript indicating the quantity of a particular element in an ionic formula would be one, the numerical value
melomori [17]

Answer:

false

Explanation:

it is false because it soulds right and i just did the quiz!!

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