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Drupady [299]
3 years ago
15

What two things combine with oxygen to form ground-level ozone?

Chemistry
1 answer:
STALIN [3.7K]3 years ago
4 0

Answer:

c) NOx and VOC

oxides of nitrogen (NOx) and volatile organic compounds (VOC)

Explanation:

-

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1. Find the number of protons, neutrons, electrons and electronic structure of flourine 919F.
77julia77 [94]

1. ₉¹⁹F

2. Mg(OH)₂

3. 2H₂ + O₂ ⇒ 2H₂O

<h3>Further explanation</h3>

1. Fluorine, atomic number : 9 , mass number = 19

Symbol : ₉¹⁹F

protons=electrons=atomic number = 9

neutrons = mass number - atomic mass

\tt n=19-9=10

Configuration : [He] 2s² 2p⁵

2. Magnesium hydroxide is an ionic compound and is a strong base consisting of 2 ions:

Positive ion: Magnesium: Mg²⁺

negative ion: Hydroxide: OH⁻

The charges of the two are crossed, so that the compound becomes:

Mg(OH)₂

3. Reaction :

H₂ + O₂ --------> H₂O

give coefficient :

aH₂ + bO₂ --------> H₂O

H, left = 2a, right 2⇒2a=2⇒a=1

O, left = 2b, right 1⇒2b=1⇒b=0.5

Reaction becomes :

H₂ + 0.5O₂ --------> H₂O x 2

2H₂ + O₂ --------> 2H₂O

4 0
3 years ago
Is this statement true or false?
Snezhnost [94]

The correct answer is False.

5 0
2 years ago
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Is magnesium a metal or a nonmetal? How many valence electrons does a magnesium atom have?
MatroZZZ [7]
Magnesium is classified as a metal. Magnesium has two valence electrons
6 0
3 years ago
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Please help me! ASAP
Svetlanka [38]

Answer:

(1) 4- ethyl -6 methyl -2 octyne

5 0
2 years ago
20 PTS!!
uranmaximum [27]
The correct answer is C because a Controlled Experiment tests only one factor at a time and consists of a control group and one or more experimental groups.
6 0
1 year ago
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