Uses
What are the uses of Aluminum
Aluminium is used in a huge variety of products including cans, foils, kitchen utensils, window frames, beer kegs and aeroplane parts.
Who arranged the periodic table?
Dmitri Mendeleev
Each row in the periodic table is called a?
Period
Which of the following is the most reactive group of metals?
1.Alkali 3.Halogen
2.Alkaline Earth 4.Transition Metals
1.Alkali
Elements which are shiny conduct electricity and heat are called
Metal
What are some uses for iron?
Iron is used to make alloy steels like carbon steels with additives such as nickel, chromium, vanadium, tungsten, and manganese. These are used to make bridges, electricity pylons, bicycle chains, cutting tools and rifle barrels.
Which property did Mendeleev use to order his periodic table?
Atomic Weight
Each column in the periodic table is called a?
Group
The family in the periodic table that contains the most reactive metals is the?
Alkali Metals
Two elements chemically bonded form
Compound
What are some uses for fluoride?
Fluoride is most commonly used to prevent cavities, and to treat tooth plaque, a mild form of gum disease (gingivitis), and weak and brittle bones
How many elements were discovered during Mendeleev's time?
63
The number at the bottom of each square on the periodic table is the?
atomic mass
Elements on the right side of the periodic table are normally?
Non metals
Elements which are considered semiconductors are?
Metalloid
What are some uses for Mercury
Mercury can be used to make thermometers, barometers and other scientific instruments. Mercury conducts electricity and is used to make silent, position dependent switches.
Why were there blank spaces left in Mendeleev's periodic table?
undiscovered elements not yet known.
The number at the top of each square on the periodic table is the?
Atomic Number
Which group of the periodic table is composed of inert gases?
Noble gases
What is the atomic number of Nickel
28
What are some uses for Zinc
Zinc uses range from metal products to rubber and medicines. About three-fourths of zinc used is consumed as metal, mainly as a coating to protect iron and steel from corrosion
John Dalton in 1805 proposed?
Atoms are made of protons, neutrons and electrons.
The atomic number tells you what?
number of protons
Which of the 4 major groups is the largest
Metals
An atom of an element has the electronic structure 2,8,8,2. What is its atomic number?
20