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What element was discovered in 1871 by Mendeleev?
The element discovered by Mendeleev in 1871 was germanium. Mendeleev predicted the existence of this element and its properties before it was actually discovered.
Which element is a stable element?
A stable element is any non-radioactive element. All elements before element atomic number 84 (not including 84) - Polonium (Po) are stable elements.
What element What is discovered in space before earth?
Hydrogen is the most abundant element in the universe and was likely present in space before the Earth was formed. Other elements like helium and trace amounts of lithium were also likely present in the early universe before the formation of our planet.
What happens to the mass of an element when it burns?
When an element burns, its mass remains the same. The burning process involves a chemical reaction that rearranges the atoms of the element, but the total mass of the element before and after burning remains constant, according to the law of conservation of mass.
How can tell if an element has been oxidized or reduced in a reaction?
If an element has gained electrons, it has been reduced. If an element has lost electrons, it has been oxidized. This can be determined by comparing the oxidation state of the element before and after the reaction.
What are some element that are named after people from the periodic table?
element name before the name of inventor or the place whre discover this element because this are artificially made of people or experiment in laboratory!!
Difference between invention and discovery?
Invention implies creating something which didn't previously exist. Discovery implies finding something which no one had found before. You could have invented a telescope if you lived before it's inventors. You could use a telescope and discover an object which no one had noticed before.
Is air an invention?
An invention is some 'thing', or some idea, that is created or constructed by man; something that has never existed before. Clearly, air has been around for a lot longer than man, and is part of 'nature', therefore it cannot be classed as an invention.
THE world of graphics before and after the invention of corel draw?
the world of graphics before and after the invention of coreldraw
What three keyboard instruments existed before the piano?
pianoforte literally is the Italian for loud and soft, and the piano is called this because it can produce loud and soft sounds. Before the invention of the piano keyboard instruments could only produce one level of sound ie loud, so composers worked in stepped dynamics or terraced dynamics ie there were no crescendos. Keyboard instruments used in compositions before the invention of the piano are the organ, the harpsichord, the virginal, the spinnet, the clavichord. Harpsichords have opposite coloured keys to pianos ie the white keys are black and the black keys are white.
Are the adjectives discover and invent the same?
A. discover and invent are not the same discover means to find or uncover while invent means to make B. (Note: "Discover" and "invent" are verbs, not adjectives.) "Discovering" involves knowing about something that has existed beforehand, such as Marie Curie's discovery of radium. On the other hand, "inventing" refers to making something that has not existed before, like Edison's invention of the light bulb.
Who built pointers that he used measure the locations of stars and planets before the invention of the telescope?
Tycho Brahe, a Danish astronomer, built large calibrated instruments called quadrants and armillary spheres to measure the positions of celestial objects before the invention of the telescope. He used these tools to create comprehensive catalogs of stars and planetary positions.
What did alexander do before the invention of the iPod?
Alexander Graham Bell lived his entire life and died long before the invention of the iPod.
Prehistoric means before the invention of what?
it means before we wrote
What was gasoline primarily used for before the invention of cars?
Before the invention of cars, gasoline was primarily used as a solvent and as a fuel for lamps and stoves.
What was the condition of society before the invention of agriculture?
The society really struggled to feed itself before the invention of agriculture.Before the invention of agriculture, the condition of the society was really pathetic. Most people were hunters and gatherers.
What is an invention that we can't live without?
People were living before each invention and continued to live after, so there is no invention that we CANNOT live without.
