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Tema [17]
2 years ago
11

Which of the following would have the smallest atomic radius? K+ Se2- Ca2+

Chemistry
1 answer:
Rina8888 [55]2 years ago
4 0
I'm not entirely sure but i think it's Se2-
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In the reaction mg 2hcl right arrow. mgcl2 h2 which element’s oxidation number does not change? cl mg h
netineya [11]

The correct answer is Cl.

Chlorine is a substance that's employed in industry and is present in a number of household goods. There are times when chlorine takes the form of toxic gas. Chlorine gas can be converted into a liquid by applying pressure and cooling so that it can be transported and stored. The term "oxidation number" refers to the number of electrons that an element's atom either loses or gains during the production of a compound. The charge that an atom seems to have when forming ionic connections with other heteroatoms is used to define an atom's oxidation number. Even if it develops a covalent bond, an atom with a higher electronegativity is given a negative oxidation state.

Learn more about oxidation numbers here:-

brainly.com/question/10079361

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5 0
1 year ago
Calculate the molarity of a MgSosolution
svet-max [94.6K]

Answer:

is

Explanation:

because

7 0
2 years ago
When ethane (
LuckyWell [14K]

Answer:

9 Moles

Explanation:

C2H6 has 6 Hydrogens and Water Has 2 Hydrogens

so it takes 1 mole ethane to produce 3 moles water

1 Mole Ethane ----> 3 Moles Water so 3 ----> 9 moles

7 0
3 years ago
Scientists use___to grow new plants from cuttings of other plants.
Nesterboy [21]

Answer:

Cytokinesis

Explanation:

  • The scientists use the method of cytokinesis to grow new plants, and they represent a method of plant growth substance and that promotes the division of cells through the cutting of plant roots and stem. They involve in cell growth and differentiation.
  • This method leads to cell growth man farmers use it for increasing their crop yields. As an application of this method to cotton plants can lead to a 5 to 10% increase during the drought  conditions.
5 0
3 years ago
Why are acids called proton donors?
Ulleksa [173]
Acids are substances that can donate H+ ions to bases. Since a hydrogen atom is a proton and one electron, technically an H+ ion is just a proton. So an acid is a "proton donor", and a base is a "proton acceptor". The reaction between an acid and base is essentially a proton transfer.
The relationship between acids and bases is more aggressive than the donor/acceptor terminology implies. Bases don't passively "accept" protons; they rip hydrogen ions from acids. Acids don't "donate" hydrogen ions; they surrender them.
3 0
2 years ago
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