shanaya1982
Asked:
December 2022
you r given an element 16/8x find out the (1)no.of Proton , neutron, electrone.(2) valency of element.(3) chemical formula of the compound formed when x reacts with hydrogen and oxygen..
will 35 cl and 37 cl have different valancies ? justify..
shanaya1982
Asked:
December 2022
Helium atom has 2 electrones in its valence shell but its valency is not 2, explain
shanaya1982
Asked:
December 2022
the relative abundance of 2isotopic form of copper is 63/29Cu and 65/29Cu are 70%&30% respectively . calculate the average mass no.of copper on the basis of given information..
Calculate the mass of NaHCO3 and glucose
shanaya1982
Asked:
December 2022
If 12g of C is burnt in the presence of 32g of O2 how much CO2 will be formed..?
shanaya1982
Asked:
December 2022
write the chemical formula of the following compounds (1) magnesium bicarbonate (2)Barium nitrate (3) Potttasium nitrate
shanaya1982
Asked:
December 2022
out of the following which has more no. of atomes.(1)50g of Cu(2)10g of Fe.
shanaya1982
Asked:
December 2022
An element x has a valency of 2, write the chemical formula for(1)Bromide of the element(2) oxide of the element
shanaya1982
Asked:
December 2022
which of the two would be chemically more reactive element atomic no. 18 or element with atomic no. and why??
can any one share with me about the experience of 12th finel exam
Hii FRIENDS ________...... meaning of financial management.
shanaya1982
Asked:
December 2022
hii friends _____________................who is the present financial minster of Karnataka?