Periodic Table Trivia

1. What is oxygen's chemical symbol?

From Quiz Novice Periodic Table of the Elements Quiz

Answer: O

None of the incorrect answers were real chemical symbols when this quiz was written. They may exist in the future if used as the final names of new elements. Oxygen is the gas required for us to live; we breathe it. If it is in a liquid state, though, you should probably avoid it. Also, it is part of the water molecule, H2O.

From Quiz A History of the Periodic Table?

Answer: Hennig Brand

Hennig Brand was an alchemist looking for the philosopher's stone when he discovered phosphorus. Robert Boyle discovered it independently in 1860. Lavoisier separated metals and non-metals. Jons Jakob Berzelius used letters to signify elements.

From Quiz The Periodic Table

Answer: Radon

Element 118 has been produced artificially and would fall under the Noble gas column.

From Quiz Novice Periodic Table of the Elements Quiz

Answer: 1

Hydrogen's atomic number is 1. Helium's atomic number is 2, lithium's atomic number is 3, and beryllium's atomic number is 4. Hydrogen is the lightest and most abundant element in the entire universe, and makes up almost all of a nebula's mass. Hydrogen is also used as a fuel in stars. The energy released in hydrogen fusion keeps the star from collapsing by gravity.

From Quiz Novice Periodic Table of the Elements Quiz

Answer: 5

Carbon's atomic number is 6, nitrogen's is 7, and oxygen's is 8. Boron is the fifth element, and it is reactive, but not at a critical condition. This element is interesting, because it is very rare to find it in a state in which it is pure boron. You usually find it in boronic crystals like borax or kernite. Borax is used in fiberglass, which is a substance that will likely give anyone who touches it a rash. Fiberglass is an insulator for houses, so you will find it in attics or crawlspaces. Boron is about as toxic as table salt, and it is actually more toxic to arthropods!

From Quiz A History of the Periodic Table?

Answer: The Law of Octaves

John Newland's Law of Octaves could not be applied to all elements separated by 7 periods on the list of elements, but it recognized many strong similarities. In addition Newman moved some elements from their positions to make them fit the pattern.

From Quiz The Periodic Table

Answer: Uranium & U

From Quiz Periodic Trends in Chemical & Physical Properties

Answer: Higher atomic number

Initially, classification of elements used to be done on the basis of the atomic weight. But given that the number of electrons is more significant in the determination of chemical and physical properties than the number of neutrons, the modern periodic law is used. The modern periodic law states that the physical and chemical properties of elements are a periodic function of their atomic numbers. An English physicist, Moseley, determined from his experiments in 1912 that the square root of frequencies of X-rays emitted by an element was directly proportional to its atomic number - forming the basis of the law. Lustrousness, oxidation states and non-metallic character don't form the basis of the classification of elements - although they still exhibit certain trends in the periodic table. Nickel and Cobalt are transition metals with atomic numbers 28 and 27 respectively. They show variable oxidation states, since for transition metals, the difference between successive ionization energies are low

From Quiz A History of the Periodic Table?

Answer: Russian

Mendeleev was born and grew up un Siberia, the youngest of a large family.

From Quiz Novice Periodic Table of the Elements Quiz

Answer: Na

Sodium's chemical symbol is Na, which came from the Latin word 'natrium'. So is not an chemical symbol that currently exists. S is sulfur's chemical symbol and Sm is samarium's chemical symbol.

From Quiz The Periodic Table

Answer: Sodium (Na)

Hydrogen, at 1.0079, is the lightest of all the elements. Sodium is 22.9897, potassium is 39.0983, iron is 55.845 and tungsten is 183.84.

From Quiz Novice Periodic Table of the Elements Quiz

Answer: 18

Argon is a very stable and nonreactive element, like the rest of the elements found in group 18. Did you know argon is the most abundant noble gas in Earth's air? All elements in group 1 are extremely reactive. Group 4 elements are reactive, but not at a high level. Group 9 elements are similar.

From Quiz The Periodic Table

Answer: Technetium

At only atomic number of 43, it is far lighter than all other artifically made elements.

From Quiz Periodic Trends in Chemical & Physical Properties

Answer: atomic/ionic radius

Cations have smaller sizes than the parent atoms. This is because the effective nuclear charge increases due to the loss of electrons, resulting in the outer electrons being pulled further in. This effect, along with the already existing positive charge, increases the ionization energy. As one goes across the periodic table is that, the atomic sizes reduce and the first ionization energies usually increase. The cation has 10 electrons, while the atom has 13. Both have 13 protons and, for the stable variant, 14 neutrons.

From Quiz Novice Periodic Table of the Elements Quiz

Answer: The number of protons and neutrons.

The atomic number tells you how many protons and electrons there are in a neutral atom of the element, and once you have the protons, then you subtract that from the atomic mass and that will tell you the AVERAGE number of neutrons there are in the element. Protons and neutrons each have one atomic mass unit, so the number of protons and neutrons will add up to the atomic mass. Electrons have 0.0005 of an atomic mass unit, so you don't usually need to worry about those.

From Quiz A History of the Periodic Table?

Answer: Mendeleev published his periodic table in 1869.

Meyer did not predict the existence of unknown elements which Mendeleev included with his periodic table. Meyer and Mendeleev shared the Davy Medal in 1882.

From Quiz Periodic Trends in Chemical & Physical Properties

Answer: Decreases as you go down

Electronegativity is the ability of atoms to attract electrons in a covalent bond. It decreases down any group, as bonding electrons are furthest from the nucleus and the nuclear attraction is reduced. Fluorine has the highest electronegativity on the Pauling Scale at 4.0

From Quiz Novice Periodic Table of the Elements Quiz

Answer: P

Phosphorus is very reactive, so reactive that it is not naturally found on Earth as pure phosphorus. It is usually in a white or red color, and is used in detergents, which I thought was weird when I first found out about that. If you want to collect phosphorus for some reason, buy some matches! You will find it on their heads. Another thing: it is actually part of your body itself! It is in the form of phospholipids, which is what forms cell membranes!

From Quiz A History of the Periodic Table?

Answer: He carried a student petition to the ministry of education that was not acknowledged.

Mendeleev was very popular with the public because he was very good at teaching. He would ride third class on trains and talk to the other passengers about their farms and work and teach them relevant scientific information.

From Quiz The Periodic Table

Answer: Fluorine

It is a pale yellow, corrosive gas, which reacts with most organic and inorganic substances. Finely divided metals, glass, ceramics, carbon, and even water burn in fluorine with a bright flame.

From Quiz A History of the Periodic Table?

Answer: William Ramsey

Henry Moseley worked on determining the atomic number of each element resulting in reordering some elements. Rutherford discovered the half-life of radioactive elements. Buchanan was Ramsey's father-in law.

From Quiz The Periodic Table

Answer: Hydrogen

The ordinary isotope of hydrogen, H, is known as Protium, the other two isotopes are Deuterium (a proton and a neutron) and Tritium (a protron and two neutrons). Deuterium and Tritium are both used as fuel in nuclear fusion reactors. One atom of Deuterium is found in about 6000 ordinary hydrogen atoms.

From Quiz Novice Periodic Table of the Elements Quiz

Answer: Carbon

Diamonds are actually the strongest of many different carbon crystal forms. The carbon atoms in diamonds are built in a firm structure so it doesn't break or get damaged.

From Quiz The Periodic Table

Answer: Hafnium

Hafinia, Latin name for Copenhagen

From Quiz The Periodic Table

Answer: Carbon

Carbon is unique among the elements in the vast number and variety of compounds it can form. With hydrogen, oxygen, nitrogen, and other elements, it forms a very large number of compounds, carbon atom often being linked to carbon atom. There are close to ten million known carbon compounds, many thousands of which are vital to organic and life processes.

From Quiz The Periodic Table

Answer: Helium

The U.S. Bureau of Mines has set the price of Grade A helium at $37.50 per 1000 cu ft in 1986.

From Quiz The Periodic Table

Answer: hydrogen & helium & h & he

Top of the chart. 8-)

From Quiz The Periodic Table

Answer: Nineteenth

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