Question
What are nucleons? How many nucleons are present in phosphorus? Draw its structure.
✓
Answer
Nucleons: Particles which constitute the nucleus are called nucleons.
Protons and neutrons are the nucleons.
Atomic mass of phosphorus = 31
Atomic number = 15
Protons and neutrons are the nucleons.
Atomic mass of phosphorus = 31
Atomic number = 15
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
When hydrogen burns in oxygen, water is formed; when electricity is passed through water, hydrogen and oxygen are given out. Name the type of chemical change involved in the two cases.
(a) Name an alkali metal other than lithium, sodium and potassium.
(b) Name an alkaline earth metal other than calcium, strontium and barium
(c) Name one halogen other than chlorine, bromine and iodine
(d) Name a non metal having properties similar to carbon.
(e) Name a rare gas other than neon, krypton and xenon.
(b) Name an alkaline earth metal other than calcium, strontium and barium
(c) Name one halogen other than chlorine, bromine and iodine
(d) Name a non metal having properties similar to carbon.
(e) Name a rare gas other than neon, krypton and xenon.
Explain their cleansing action?
State one observation which shows that atom is not indivisible.
(a) What are solubility curves?
(b) State two applications of solubility curves.
(b) State two applications of solubility curves.
Give the properties of water responsible for controlling the temperature of our body.
State Boyle's Law.
${ }^{20} \mathrm{Ne}_{10}{ }^{21} \mathrm{Ne}_{10}$ and ${ }^{22} \mathrm{Ne}_{10}$ are the isotopes of neon.
(a) What do the subscripts and superscripts represent
(b) What is the cause of change in superscripts?
(C) Give the geometric diagram of 22Ne10
→(a) What do the subscripts and superscripts represent
(b) What is the cause of change in superscripts?
(C) Give the geometric diagram of 22Ne10
How will you distinguish between soft water and hard water?
What is the effect of pressure on solubility of gases? Explain with an example.