Advertisements
Advertisements
Question
Write the names of `"Na"_3"PO"_4` compounds :
Advertisements
Solution
`"Na"_3"PO"_4` - Sodium Phosphate
APPEARS IN
RELATED QUESTIONS
TRUE \ FALSE
Cathode rays are a stream of fast moving particles that travel in random directions.
Write the names of `("NH"_4)_2"SO"_4` compounds:
Fill in the blank
An ion with positive charge is called ______
Define: Mass number
Name the particle or particles you would expect to find in :
The nucleus of an atom
An atom has 13 protons and 14 neutrons.
What is the atomic number of the atom ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is such a particle called ?
Name the three subatomic particles present in an atom.
What are the building blocks of matter ?
How is the size of an atom indicated ?
Name the unit in which the radius of an atom is usually expressed.
An atom of an element X may be written as `""_9^4"X"`
(a) What does the figure 9 indicate?
(b) What does the figure 4 indicate?
(c) What is the number of protons in atom X?
(d) What is the number of neutrons in atom X?
(e) What is the number of electrons in atom X?
(f) How many electrons are there in the outermost shell of an atom of element X?
(g) Write the symbol of ion formed by an atom of element X.
The electron shell ______ is nearest to the nucleus.
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 element will gain electron?
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
Which of the following has maximum number of atoms?
A small block slides down on a smooth inclined plane, starting from rest at time t = 0. Let Sn be the distance travelled by the block in the interval t = n – 1 to t = n. Then, the ratio `S_n/(S_(n + 1))` is ______.
