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SIZIF [17.4K]
3 years ago
11

Filtration, decantation, and evaporation are examples of

Chemistry
1 answer:
Tju [1.3M]3 years ago
4 0
<span>An element is made of only one kind of atom, while a compound contains the atoms of two or more elements. For example, gold is made of only one kind of atom, so it is an element, but water is a mix of hydrogen and oxygen, so it is a compound.</span>
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Urgent plzz help meeee thx
MakcuM [25]

Answer:

8

Explanation:

From the question given above, the following data were obtained:

t–butyl ion = (CH₃)₃C⁺

Number of valence electron =?

The valence electron(s) talks about the combining power of an element or compound as the case may be.

Considering the t–butyl ion, (CH₃)₃C⁺ we can see that it has a charge of +1 indicating that it has given out 1 electron to attain the stable octet configuration which has a valence electrons of 8. Thus, the valence electron of t–butyl ion, (CH₃)₃C⁺ is 8

5 0
3 years ago
How many moles of oxygen are needed to react with 100.0 grams of aluminum?
Tasya [4]

Answer:

2

Explanation:

8 0
3 years ago
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GalinKa [24]

Answer:

A

Explanation:

Matter is anything that has weight and occupies space. Weight is synonymous to mass

3 0
3 years ago
How are the atomic number and the number of protons related to each other?
SpyIntel [72]

Answer:

Neutral atoms of each element contain an equal number of protons and electrons. The number of protons determines an element's atomic number and is used to distinguish one element from another. ... Together, the number of protons and the number of neutrons determine an element's mass number.

Explanation:

5 0
3 years ago
2. A shopper in a supermarket takes a box of sugar from a shelf that is 1.5 m high because he is
muminat

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