C
Immunization shots are given to ensure immunity against future attacks on the body against the disease in which the vaccine is made.
Explanation:
The vaccine prepares the body by giving immune cells memory against the disease agent. The vaccine achieves this by introducing an attenuated form of the agent of the disease into the body. This means the introduced disease agents cannot cause disease but are enough to evoke an immune response from the body. The immune system, after eradicating the attenuated disease agent from the body, acquires memory such that it fights a real-world disease agent in case of infection.
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Answer : The type of compound created is Ionic compound and the chemical formula is KCl.
Explanation :
- Potassium has 1 electron in its valence shell and chlorine has 7 electrons in its valence shell.
- The potassium loses 1 valence electron & make a positive charged ion and chlorine picks it up & make a negative charged ion and then they attract to each other.
- Potassium and chlorine atom combine to form potassium chloride by the ionic bonding.
- An ionic compound is made of a metal and non-metal element. And in this case, potassium is a metal element and chlorine is a non-metal element.
The ionic compound formation is,
The Chemical formula is KCl.
Answer:
Calcium carbonate
Explanation:
Ionic compounds that tend to have one or more polyatomic ions are the ones that tend to exhibit both ionic and covalent bonding. The only one that meets this is calcium carbonate.
Answer:
heterogeneous : A mixture that consists of visibly different substances or phases.
homogeneous : A mixture that has the same uniform appearance and composition throughout its mass.
compound: A pure chemical substance consisting of two or more different chemical elements.
element: A substance consisting one type of atom.
