The answer would be D because from my research it's the only one that didn't have a catalyst
Answer:RDA: The Recommended Dietary Allowance (RDA) for adults 19-51+ years is 400-420 mg daily for men and 310-320 mg for women. Pregnancy requires about 350-360 mg daily and lactation, 310-320 mg.
Explanation:
Answer:
600g for st product 477.5g for nd product
A group of covalently bonded atoms that has an overall electrical charge is called a polyatomic ion.
<h3>
What is polyatomic ion?</h3>
A polyatomic ion, also known as a molecular ion, is a covalently bound set of two or more atoms or a metal complex that behaves as a single unit and has a net charge that is more than zero. Depending on the meaning, the term molecule may or may not be used to refer to a polyatomic ion. In Greek, the word poly- means "many," however even ions of two atoms are usually described as polyatomic.
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<h2>COVALENT BOND</h2>
- What happens to the electrons in a completely covalent bond?
- <u>Covalent bonding</u> <u>occurs when atoms share electron pairs</u>. To increase their stability, atoms will form covalent bonds with other atoms, <u>which is accomplished by forming a full electron shell</u>. By sharing their outermost (valence) electrons, atoms can fill up their outer electron shells and gain stability.
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