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group 1 metals have only one electron in the outermost shell.it gives out electrons easily as it is highly electropositive and called as highly reactive metals..water has the polarity..due to this property the OH ions in water becomes slightly electro-negative and attracts the electro positive metal thus forming hydroxides..and also due to this reaction hydrogen gas is formed along with the formation of hydroxides..
What else can I help you with?
If an element has 1 valence electron what group is it in?
That element would be in the Alkali Metals (group one)
What element is in group 1 period 3?
The element in group 1 period 3 is sodium. Sodium has an atomic number of 11 and is a highly reactive metal.
What element is located in first row of group 1?
It is hydrogen. This element is the only one in its group because it is extremely unique and shares none of the properties of other gases.
What specific gravity allows a chemical to float in water?
A specific gravity less than 1 allows a chemical to float in water. This means the chemical is less dense than water and so it will float on the water's surface instead of sinking.
How do you know if a chemical will float in water?
A chemical will float in water if its density is less than the density of water (approximately 1 g/cm3). This can be determined by comparing the densities of the chemical and water. If the chemical's density is less than water, it will float; if it is greater, it will sink.
Why does an object float in water?
molecules make an object float the airs density has gases that react to substance and then change phase an element has only 1 kind of atom and that atom gets
Will atomic number 43 sink or float in water?
For something to be able to float on water, it requires a density lower than water. Water at room temperature has a density of 1 kg / L or 1000 g / dm3Atomic number 43 is the element Technetium. At room temperature Tc has a density of 11 g / dm3.So yes, it will float on water.
Will 1 by 5 kg float on water?
No, a 1 by 5 kg object will not float on water because its density is greater than that of water, causing it to sink. Objects float on water when their density is less than that of water.
How do you ensure the reaction between group 1 element with water is stoped?
The reaction is stopped when no hydrogen is released.
What is the identity element of the quaternion group?
If you mean in the group {1, -1, i, -i, j, -j, k, -k}, the identity element is 1.
Which element is the first element in group 1?
If we look at the periodic table, we can see that the first element in Group I is Hydrogen.
What element is the 3rd element?
lithium is the third element. It is placed in group-1
Lithium the first element in group 1 has an atomic number of 3 the secound element in this group has an atomicnumber of what?
The second element in group 1 is beryllium, with an atomic number of 4.
Why does colored sugar float in water?
any substance (colored or not) with a density less than 1 will float on water
Which fluid will float 5 kg of ethanol or 1kg of water?
1 kg of water will float in ethanol because ethanol is less dense than water.
If an element has 1 valence electron what group is it in?
That element would be in the Alkali Metals (group one)
What element is Group 1 period 4?
element K, or potassium
