Advertisements
Advertisements
प्रश्न
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
Metal atoms tend to have a maximum of ______ electrons in the outermost shell.
Advertisements
उत्तर
Metal atoms tend to have a maximum of 3 electrons in the outermost shell.
APPEARS IN
संबंधित प्रश्न
The atomic number of an element Y is 16.
(a) What must an atom of Y do to achieve the nearest inert gas electron arrangement?
(b) Which inert gas is nearest to Y?
What elements are present in steel? How are the properties of steel different from those of pure iron?
Which of the following alloys contains mercury as one of the constituents?
(a) stainless steel
(b) solder
(c) duralumin
(d) zinc amalgam
Mention two uses of the following metals and non-metals
Oxygen
State the position of the following in the periodic table:
Iron and zinc
Give the general characteristics of:
Alkaline earth metals with reference to
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Name the following:
A metal used in flexible pipes.
Write the name.
Two highly reactive metals-
An element which is always lustrous, malleable and ductile is ______.
Why are metalloids called semimetals?
