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Paha777 [63]
2 years ago
12

Which one is the molecule? Oxygen (O) Dioxygen (O2)

Chemistry
2 answers:
Brrunno [24]2 years ago
5 0

Oxygen is the molecule.

navik [9.2K]2 years ago
4 0

Answer:

Oxygen (O)

Explanation:

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Help with question 14 please
liubo4ka [24]

Answer:

B. Bottom to top

Explanation:

7 0
2 years ago
Compare a sodium ion and neutral sodium atom in size. what causes the size difference
n200080 [17]
A cation is smaller than its parent atom.
Therefore, here a sodium ion is smaller than the neutral sodium atom.

Reason: Since the sodium atom loses an electron to form an electropositive ion(cation), its nuclear charge increases(the number of protons exceeds the number of electrons) and the orbital electrons are pulled with a greater energy.
Thus,the sodium ion shrinks in size.
4 0
2 years ago
Several properties of water are shown. Classify each property as a physical property or a chemical property.
max2010maxim [7]

can be split into hydrogen and oxygen             chemical property

is liquid at room temperature                              physical property

has a density of 1.0 g/cm³                                    physical property

reacts with certain metals                                  chemical property

Explanation:

The physical properties of matter are the properties that occur when no change is occurring to a matter. They are usually observed with our senses or some simple laboratory experiments.

Some of the physical properties are boiling point, density, state of matter, e.t.c

The chemical properties are the properties that occurs when a matter undergoes some chemical changes.

For example rusting, decomposition, reactivity e.t.c

Learn more:

Chemical properties brainly.com/question/2376134

#learnwithBrainly

8 0
3 years ago
How does rock candy relate to the igneous rock formation?
sveta [45]

Answer:

The candy is heated then cooled, turning solid like a igneous rock.

Explanation:

6 0
2 years ago
4. All of the following are examples of natural causes of air pollution
erma4kov [3.2K]

Answer:

factory emissions

Explanation:

8 0
2 years ago
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