0
What else can I help you with?
Which group is missing from john newlands periodic tabale?
The noble gases group is missing from John Newlands' periodic table. The noble gases were not discovered until after Newlands proposed his periodic table in 1864.
Who discovered how to stabilize dynamite for commercial use?
Jackie chan was the first to discover how to stabilize dynamite for comercial use. He is also the worlds best kun fu fighter. also has a variety of other fighting styles and gives great advise. ASK HIM
What kind of metal is a US penny made of?
US cents were made of pure copper until 1857. Cents were then made from copper-nickel until mid-1864. From mid-1864 to 1942 and from 1942 to mid-1982 they were made of bronze (95% copper and 5% tin and/or zinc) 1943 cents were made of zinc-plated steel due to wartime copper shortages From mid 1982 to the present, cents have been made of 97.5% zinc with 2.5% copper plating.
Substance of a penny?
Assuming you're asking what a US cent is made of: Since mid-1982 all US cents have been made of 97.5% zinc with 2.5% copper plating. From mid-1864 to 1942 and from 1944 to mid-1982 they were bronze, 95% copper and 5% tin and/or zinc In 1943 they were made of zinc-plated steel due to wartime copper shortages. From 1857 to mid-1864 they were made of copper alloyed with nickel. Before that they were pure copper.
Who was the first scientist to arrange the chemical elements in order of their atomic weights?
Dmitri Mendeleev is credited with arranging the chemical elements in order of their atomic weights. His work led to the development of the periodic table of elements.
When was pasteurisation invented?
1864
What year was the electric elevator invented?
It was invented in 1864
What year was the first sink invented?
it was invented in 1864 by John Roughley.
What year were four wheelers invented?
1864
When was volleyball very first invented?
In 1864 and it became an Olympic Sport in 1964.
When did Henry ford invent the line of free moving vehicles?
he invented it in 1864
What year was freddo frog invented?
it was the first cadbury chocolate ever so 1864
When was the centrifuge invented?
The centrifuge was first invented in the late 19th century, with the first patent for a centrifugal separator being filed in 1864 by Antonin Prandtl. However, the modern centrifuge as we know it today, with improvements in design and functionality, was developed in the early 20th century.
When was boolean logic invented?
I believe it was in the 1840's but George Boole the inventor of Boolean Logic lived from1815 - 1864
When the volleyball invented?
IN 1895
Who was the person who invented the system that measures wind speeds?
The person who invented the system that measures wind speeds was Dr. John Thomas Romney Robinson. This was a device that spun around when the wind hit little cups, invented in 1864.
Who is the inventor of the post it?
Christopher Harrison invented the post it in 1864 when he licked a piece of paper and stuck it to the wall. He then added glue. and made millions.
