What is the electron distribution in Chlorine? The atomic No. of chlorine is 17.
a) 2,4
b) 2,8,2
c) 2,8,7
d) 2,8,8
Metals and Non-Metals:
Metals tend to be hard, metallic-looking solids,
with high electrical and thermal conductivity values and high melting and
boiling points. Nonmetals tend to be softer, often colorful elements. They may
be solids, li
Elements are
classified into how many categories?
a) two
b) three
c) four
d)
five
Explanation:1. Metals, 2. Non- metals and
3. Metalloids
Metalloid, in chemistry, an imprecise term used to describe a chemical element that forms a simple substance having properties intermediate between those of a typical metal and a typical nonmetal.
Where metals
appear in the periodic table?
a) top
b) left hand side
c) center
d) right hand side
Where non-metals appear in the periodic table?
a) top
b) left hand side
c) center
d) right hand side
Which of the following is/are metal/s?
a) copper and iron
b) silver and gold
c) aluminum and lead
d) all of these
