(03.04 MC) What is the name of Pb(NO3)2? Explain how you determined the bond type and the steps you used to determine the naming convention for the compound.

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Explanation:

The name of Pb(NO3)2 is Lead (ll) Nitrate. I was able to determine the bond type because I identified the nature of the elements that were bonded. First I identified the cation. I can hence determine that the oxidation number of cation is within the parenthesis which is 3. Then the second part is the name of the anion. I can see that N is a non metallic and that lead is a metallic. Hence, this makes this an ionic bond. The cation is lead Pb2 and anion is NO3. Lead can exist within two oxidation states which are 2 and 4. Hence, we can now gather that it will be Lead (ll) nitrate.

Explanation: I got it correct ;)

fertilization, pictured in figure 24.23a is the process in which gametes (an egg and sperm) fuse to form a zygote. the egg and sperm each contain one set of chromosomes. to ensure that the offspring has only one complete diploid set of chromosomes, only one sperm must fuse with one egg. in mammals, the egg is protected by a layer of extracellular matrix consisting mainly of glycoproteins called the zona pellucida. when a sperm binds to the zona pellucida, a series of biochemical events, called the acrosomal reactions, take place. in placental mammals, the acrosome contains digestive enzymes that initiate the degradation of the glycoprotein matrix protecting the egg and allowing the sperm plasma membrane to fuse with the egg plasma membrane, as illustrated in figure 24.23b. the fusion of these two membranes creates an opening through which the sperm nucleus is transferred into the ovum. the nuclear membranes of the egg and sperm break down and the two haploid genomes condense to form a diploid genome.

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answer: that would be cheating

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