Helppp please I will give a brain thing plleaseee

Chemistry

1 answer:

frez [133]3 years ago

5 0

Answer:

A. Crest
- The top of a wavelength is called a crest.

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Three isotopes of sulfur are sulfur-32, sulfur-33, and sulfur-34. write the complete symbol for each isotope, including the atom

Maurinko [17]

Sulfur is an element in the periodic table that has a chemical symbol of S. This element is the 16th element in periodic table. This means that the atomic number or number of protons in the nucleus of the atom is equal to 16.

The number following the name of the element is the mass number. The following are the complete symbol that are arranged as follows:
chemical symbol - atomic number - mass number

*Sulfur-32
S - 16 - 32

*Sulfur-33
S - 16 - 33

*Sulfur-34
S - 16 - 34

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Which substance has the lowest boiling point?

Orlov [11]

Answer:

Helium

Explanation:

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Transuranium elements are elements larger than uranium that are produced via transmutation.

steposvetlana [31]

True. Atoms with atomic numbers higher than 92 are not very stable and have half lives shorter than the age of the earth so they are not found naturally. Due to that, the process of transmutation must be used to get atoms with the atomic number higher than 92.

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What is the purpose of a devil's advocate? to push for a decision to be made in a timely manner. to point out obvious flaws in e

Lady_Fox [76]

Yes, exactly: to point out new perspectives to expand people's one-sided views on issues.

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3 years ago

Which is an example of a double

Ostrovityanka [42]

Answer:

NaCl + AgF → NaF + AgCl

Explanation:

A double replacement reaction is a type of chemical reaction that occurs when two reactants exchange cations or anions to yield two new products.

From all the reactions given ,

2Na + Cl₂ → 2NaCl is an example of combination reaction because two or more reactants (Na & Cl₂) react with each other to form a single product (NaCl)

H₂SO₃ → H₂O + SO₂ is an example of decomposition reaction because a single reactant (H₂SO₃) breaks down into two or more products (H₂O & SO₂).
2K + 2H₂O → 2KOH + H₂ is an example of displacement reaction because a highly reactive element (K) displaces a least reactive element (H) from its compound (H₂O).

NaCl + AgF → NaF + AgCl is an example of double replacement reaction because there's an exchange between Cations ( $Na^+$ & $Ag^{+}$ ) and Anions ( $Cl^-$ & $F^-$ ).

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3 years ago