Advertisements
Advertisements
Question
Write the names of the elements present in the :-
Sulphuric acid
Advertisements
Solution
Sulphuric acid : Hydrogen, sulphur, oxygen.
APPEARS IN
RELATED QUESTIONS
TRUE \ FALSE
Elements having a tendency to accept electrons are called metals
Write the names of the elements present in the following compound.
Common salt
Write the names of `"Ca"("NO"_3)_2` compounds :
Give two examples for each of ionic and covalent bond.
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
Does the particle have an excess of electrons or a deficiency of electrons ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the charge on the particle ?
An atom of element E contains 3 protons, 3 electrons and 4 neutrons :
(a) What is its atomic number?
(b) What is its mass number?
(c) Write the electronic configuration of the element E.
(d) State whether element E is a metal or non-metal. Why?
(e) What type of ion, cation or anion, will be formed by an atom of element E? Why
(f) Write the symbol of the ion formed by an atom of element E.
(g) What could element X be?
For the symbols H, D and T, write the subatomic particles (protons, neutrons and electrons) found in each one of them.
Which has more atoms, 50 g of aluminium or 50 g of iron ? Illustrate your answer with the help of calculations.
(Atomic masses : Al = 27 u ; Fe = 25 u)
What is the contribution of the following in atomic structure?
Maharshi Kanada
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
Draw the diagrams representing the atomic structures of the following: Neon
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
What will be the charge present of the molecule XY after chemical combination?
Define the following term with an example.
Metalloid
The volume occupied by 4.4 g of CO2 at S.T.P ______
In the nucleus of `""_20"Ca"^40`, there are ______
Which of the following has maximum number of atoms?
Dalton’s atomic theory successfully explained
(i) Law of conservation of mass
(ii) Law of constant composition
(iii) Law of radioactivity
(iv) Law of multiple proportions
An atom of Oxygen (O) and two atoms of hydrogen (H.) combine to form a molecule of ______.
