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WHY did Mendeleev arrange the elements in periods?
he put them in groups to show acids from alkali's and gasses from metals
What are more reactive alkali metals or alkline earth metals?
alkali metals
What family of elements is in the leftmost column?
alkali metals
Why alkali metals are kept in kerosene?
Why. Alkali. Metals are kept. In kerosene
Is helium in the alkali metals or alkali earth metals?
neither. it is a noble gas
WHY did Mendeleev arrange the elements in periods?
he put them in groups to show acids from alkali's and gasses from metals
What are the chemical families on the periodic table?
Well, several are, and from left to right. Alkali metals Alkaline earth metals. Transition metals. Metaloids. Nonmetals. Halogens. Nobel gasses.
The three main groups of elements are?
The three main groups of elements are metals, nonmetals, and metalloids. Metals are typically solid, shiny, malleable, and good conductors of electricity. Nonmetals are generally dull, brittle, and poor conductors of electricity. Metalloids have properties that are intermediate between metals and nonmetals.
What are more reactive alkali metals or alkline earth metals?
alkali metals
Is alkali the only earth metal?
No, alkali metals are not the only earth metals. Earth metals include both alkali metals and alkaline earth metals. Alkaline earth metals are a group of elements in the periodic table that are chemically similar to, but less reactive than, alkali metals. Examples of alkaline earth metals include magnesium, calcium, and barium.
How are alkali metals different any from other metals?
Alkali metals are very reactive metals.
Why are earth alkali metals called earth alkali metals?
Alkali earth metals are named after their oxides, alkaline earth.
How do alkali metals react with other alkali metals?
They don't
What are the group of soft silvery reactive metals known as?
alkali metals
Are alkali metals in groupe 1 elements?
Alkali metals are the metals in family/group I.Lithium, sodium, potassium, Rubidium, Cesium, Francium are Alkali metals.
What are the uses of noble gases?
Noble gasses are used to store sample of highly reactive substances such as alkali metals. Noble gasses are also use in "neon" lights, though only some of them actually contain neon.
What element is the first of the alkali metals?
Lithium is the first of the alkali metals
