1-86 Elements On The Periodic Table

Helium is the correct answer because it is the only element listed that starts with the letter "H" and is commonly known as a gas. Holmium and Hafnium are also elements, but they do not start with "He" like Helium does.

Lithium is the correct answer because it is the only element mentioned in the given list. The other two options, Lutetium and Lanthenum, are misspelled and do not correspond to any known elements. Therefore, the only logical choice is Lithium.

Boron is the correct answer because it is the first element listed in the given options. The options are listed in alphabetical order, and Boron comes before Terbium and Niobium.

The given list consists of chemical symbols for elements. Among the options provided, only "Neon" matches the chemical symbol "Ne". Therefore, the correct answer is Neon.

Aluminum is the correct answer because it is the only element listed that starts with the letter "A". Al, Argon, and Astatine are not elements, but rather abbreviations or alternative names for other elements (Al is the abbreviation for Aluminum, Argon is a separate element, and Astatine is another element).

Silicon is the correct answer because it is the only option that is spelled correctly and is a chemical element. Selenium and samarium are also chemical elements, but they are not spelled correctly according to the given options.

Titanium is the correct answer because it is the only element listed in the options. The other options, Technetium and Tellurium, are not correct because they are not listed in the given options. Therefore, Titanium is the correct answer.

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Beryllium is the correct answer because it is the only element listed that starts with the letter "B". Be is the chemical symbol for beryllium. Bismuth, boron, and beryllium are all elements, but only beryllium matches the given criteria.

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Chlorine is the correct answer because it is the only element listed that starts with the letter "C" and has the chemical symbol "Cl". Chromium and Carbon also start with "C", but their chemical symbols are "Cr" and "C" respectively. Therefore, Chlorine is the only element that matches both the starting letter and chemical symbol given.

Cobalt is the correct answer because it is the only element in the given list that starts with the letter "Co". Cadmium and Chromium both start with "C" while Cobalt starts with "Co".

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Krypton is the correct answer because it is the only element listed among the options. Kr is the symbol for krypton on the periodic table, and it is a noble gas. Kallium is the German word for potassium, Rutherium is a misspelling of the element rhenium, and Kr is the correct symbol for krypton. Therefore, Krypton is the only valid option among the given elements.

Carbon is the correct answer because it is the only element listed among the options. Cadmium and cuprum are alternative names for elements (cadmium is an alternative name for Zinc and cuprum is an alternative name for Copper), while carbon is the actual name of an element.

Nitrogen is the correct answer because it is the only element listed that starts with the letter "N". Niobium and Neon are also listed, but they do not start with "N".

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Phosphorus is the correct answer because it is the only element listed among the options. The other two options, Promethium and Praesodymium, are not elements but rather chemical elements that do not exist. Therefore, Phosphorus is the only viable choice.

Iron is the correct answer because it is the only element mentioned in the given list. The other elements (Fe, Sulfur, and Hafnium) are either misspelled or incomplete. Therefore, Iron is the only valid option.

The correct answer is Germanium. Germanium is a chemical element with the symbol Ge and atomic number 32. It is a hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors silicon and tin. Germanium is used in various electronic devices, including transistors and diodes, due to its semiconducting properties.

Potassium is the correct answer because it is the only element mentioned in the list. The other elements mentioned, Berkelium and Krypton, are not the correct answers because they are not the same as the element "K" which stands for Potassium. Therefore, Potassium is the correct answer in this case.

Scandium is the correct answer because it is the only element mentioned in the given options. The other options, Selenium and Silicon, are not mentioned and therefore cannot be the correct answer.

Copper is the correct answer because it is the only element listed in the options. The other elements, Cadmium and Cobalt, are not present in the given list. Therefore, the correct answer is Copper.

Bromine is the correct answer because it is the only element listed among the options. Beryllium and Boron are not elements that start with the letter "Br".

The correct answer is Flourine. The answer is based on the fact that "Flourine" is the correct spelling of the chemical element with the symbol F. Ferrum is the Latin name for iron, and Hafnium is a different element altogether. Therefore, Flourine is the only option that matches the given information.

The given list consists of chemical elements. Neon, Sodium, and Niobium are all chemical elements. The correct answer is Sodium, as it is the only element mentioned in the list.

Magnesium is the correct answer because it is the symbol "Mg" in the periodic table. Manganese is represented by "Mn" and Molybdenum is represented by "Mo". Therefore, the correct symbol for Magnesium is "Mg".

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Manganese is the correct answer because it is the only element listed in the options that starts with the letter "Mn". Molybdenum and Magnesium do not start with "Mn", so they can be eliminated as possible answers.

Sulfur is the correct answer because it is the only element among the options that starts with the letter "S". Silicon and Samarium do not start with "S", so they are not the correct answer.

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The correct answer is Hydrogen because it is the only element among the given options that starts with the letter "H". Helium and Holmium are elements that do not start with the letter "H", so they are not the correct answer.

The answer is Calcium because it is the only element listed that starts with the letter "Ca." Carbon and Cerium both start with "C," but Calcium is the only element that matches the given letters exactly.

Argon is the correct answer because it is a chemical element with the symbol Ar and atomic number 18. It is a noble gas, which means it is colorless, odorless, and extremely unreactive. Argon is the third most abundant gas in the Earth's atmosphere and is commonly used in various industries, such as lighting and welding. It is also used in scientific research and as a protective gas in certain manufacturing processes.

Nickel is represented by the symbol Ni in the periodic table. The other options, Nitrogen and Niobium, are also represented by symbols that start with 'Ni', but the correct answer is Nickel because it is the only option that is commonly referred to by its symbol Ni.

The given list consists of elements from the periodic table. Aluminum, Astatine, and Arsenic are all chemical elements. The correct answer, Arsenic, is the element that completes the list.