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n200080 [17]
3 years ago
12

How many electrons are transferred when magnesium bonds ionically with oxygen

Chemistry
1 answer:
andrew11 [14]3 years ago
6 0

Answer:

2 electrons from magnesium (Mg) is transferred to oxygen (O2) to form Mg2+ and O2-

which combines by strong electrostatic force to form MgO

the equation is

2Mg + O2 -> 2MgO

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dem82 [27]

Answer:

aaa

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3 years ago
Consider the names of the eras in the geologic time scale. What is meant by "zoic"?
klasskru [66]

Answer: zoic means living things or life in geologic time scale.

Explanation:

Geologic time scale is a system relating stratigraphy, that is geological strata to time. Geologic time scale (GTS) is used for the timing of events that have occurred during Earth's history.

Geologic time is divided into four Eons, they are; the Hadean, the Archean, the Proterozoic, and the Phanerozoic. Archean Eon is the oldest which marks the beginning of the formation of Earth's crust (almost 4 billion years ago). Geologic Time Scale(GTS) was developed because scientists observed changes in the fossils going from oldest to youngest sedimentary rocks.

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7 0
3 years ago
In metallic bonds, the mobile electrons surrounding the positive ions are called a(n)?
Anastaziya [24]

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6 0
4 years ago
Is anyone good at chemistry if so can someone help me please ?<br><br> (NO LINKS)
V125BC [204]

So, litmus paper is a qualitative tool for assessing the acidity or basicity of a substance (usually a solution). In general, blue litmus turns red in the presence of an acid, and red litmus turns blue in the presence of a base. They can't really tell you much more than that.

The solutions that are most likely acids are those that turn blue litmus red <em>and </em>do not evoke a color change in red litmus. A solution that turns red litmus blue <em>or </em>does not evoke a color change in blue litmus is likely not an acid. Using these criteria, solutions 4 and 7 are most likely acids since they both turn blue litmus red (and they cause no color change in red litmus).

The correct answer choice would thus be D.

4 0
3 years ago
How many moles of silicon (Si) are in 1.50 x 1023 atoms Si?
erik [133]

Answer:

1534.5

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8 0
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