Advertisements
Advertisements
Question
The number of atoms present in a molecule is called its ______.
Solution
The number of atoms present in a molecule is called its Atomicity.
APPEARS IN
RELATED QUESTIONS
Why is it not possible to see an atom with naked eyes?
What does an atom consist of ? Explain.
Name two particles found inside the nucleus. What are they collectively called ?
Give two examples for each of ionic and covalent bond.
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?
Electron, proton, neutron are the types of ______ in an atom.
What is the contribution of the following in atomic structure?
Maharshi Kanada
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of aluminium
Project.
To have an idea of what atoms are, students can be asked to construct atoms using pipe cleaners (thin metal wires-electron shells), pompoms (balls-different colours for protons and neutrons) and beads (electrons). Students will love and enjoy putting them together and they look great hanging from the ceiling in the classroom.
Give the salient features of “Modern atomic theory”.
