Advertisements
Advertisements
Question
The smaller particles found in the atom is called ______.
Advertisements
Solution
he smaller particles found in the atom is called sub-atomic particels.
APPEARS IN
RELATED QUESTIONS
TRUE \ FALSE
Elements having a tendency to accept electrons are called metals
Define:- Radicals
Write the names of the elements present in the:-
Ammonia
Write the names of `("NH"_4)_2"SO"_4` compounds:
Fill in the blank:
Atoms are _____
What is the maximum number of electrons present in:
1. first shell
2. second shell
3. third shell and
4. fourth shell
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
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 ?
The electronic configuration of an element Z is 2, 8, 8.
(a) What is the atomic number of the element?
(b) State whether element Z is a metal or a non-metal.
(c) What type of ion (if any) will be formed by an atom of element Z? Why?
(d) What is special about the outermost electron shell of the atom of this element?
(e) Give the name and symbol of element Z.
(f) Name the group of elements to which Z belongs.
The electron shell ______ is nearest to the nucleus.
Deduce from the datum provided.
| Datum | To deduce |
| \[\ce{_11^23Na}\] | Neutron number |
| \[\ce{_6^14C}\] | Mass number |
| \[\ce{_17^37 Cl}\] | Proton number |
In what respects do the three isotopes of hydrogen differ? Give their structures.
Name the gas that.
Turns moist starch iodide paper blue black.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form positive ion?
State true or false. If false, correct the statement.
An atom is electrically neutral.
Define the following term with an example.
Metalloid
A change in the physical state can be brought about
The smallest unit of an element is ______.
Atoms have a radius of the order ______.
