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the metal potassium and the nonmetal bromine
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Two highly reactive elements in period 2 are the metal lithium and what?
Nonmetal fluorine
Two highly reactive elements in Period 4 are the metal potassium and the?
nonmetal fluorine
Is table salt made up of metals or gases?
No. Table salt is composed of two elements which are, in their elemental state under "ordinary" circumstances (STP), a highly reactive metal and a highly reactive poisonous gas.
Why do the elements in group one and two of the periodic table react o easily?
It is the s block. they are reactivated generally.
The two most reactive groups of elements in the periodic table are the alkali metals and the what?
The two most reactive groups of elements in the periodic table are the alkali metals and halogens.
Is argon and potassium the same?
NO!!!! They are two different elements found in the Periodic Table. Argon is a Noble(Inert) gas Potassium is a highly reactive metal, when placed in oxygen or water.
Name two most reactive elements in the group alkali metals?
These elements are francium and lithium.
How are group 1 elements different from the group 18 elements?
The difference between group 1 and group 2 metals is that group 1 metals have ONE valence electron and group 2 have TWO valence electrons. This makes a great difference in how they react chemically with other elements and compounds.
What are two most reactive elements in the alkali group?
Francium and cesium
Of the gases oxygen argon chlorine and neon which would be the two most chemically reactive?
The elements from most reactive to least reactive are: Chlorine, Oxygen, Argon, and Neon.
How many elements in the first period?
Period 1: 2 elements Period 2: 8 elements Period 3: 8 elements Period 4: 18 elements Period 5: 18 elements Period 6: 32 elements Period 7: 25 elements
What elements belong to the first period?
There are two elements in the first period, hydrogen and helium.
