Answer: The chlorine radical is the most reactive of the among the given halogen molecules and it reacts easily with alkanes. In contrast, the iodine radical is the least reactive of the halogen radicals. In fact, it is so unreactive that it is unable to abstract a hydrogen atom from an alkane.
So, (D) option is correct
Explanation:
At the center of every atom lies a small, dense "nucleus" that is positively charged.
Atom is the smallest unit of matter. It is made up of electrons, protons and neutrons. Electrons are negatively charged particles that are found scattered in different energy levels outside the nucleus. Protons are positively charged particles present inside the nucleus. Neutrons do not carry charge and found inside the nucleus. Thus, protons and neutrons make up the nucleus of an atom. Since, protons are positively charged and neutrons are uncharged particles, the charge of nucleus becomes positive.
Answer:
Option C
Explanation:
Litmus paper shows only whether the solution is acidic or basic, but not how strong it is.
=> Base turns the red litmus paper blue
=> Acid turns the blue litmus paper red.
Answer:
Bivalve, (class Bivalvia), any of more than 15,000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is divided from front to back into left and right valves. ...
Explanation:
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<span>What type of energy is released when fossil fuels are burned?
a.
electrical energy</span>
