Download App

T1 CH4 Atomic Structure — Science STD 7 — Question

Tamilnadu BoardEnglish MediumSTD 7ScienceT1 CH4 Atomic Structure2 Marks
Question
Distinguish isotopes from isobar
✓

Answer

Sr. No.IsotopesIsobar
1.Isotopes are atoms of the same element thus having same atomic number but different mass number.Isobars are such atoms which have same mass number but different atomic numbers. Thus isobars are different elements
2.Example: Hydrogen has three isotopes protium, with deuterium, tritium atomic number 1 but mass number 1,2,3.Example: Calcium and Argon are isobars as they have atomic number 20 and 18 but their mass number is 40.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[ 2 Marks Questions ]" from T1 CH4 Atomic Structure→T1 CH4 Atomic Structure — all question types→Science STD 7 question papers→Tamilnadu Board STD 7 question papers→Tamilnadu Board question paper generator→

Similar questions

If $5A$ current flows through a circuit, then convert the current is terms of micro ampere?
→
Why are we able to see the tap water in a glass even though it is colourless?
→
What are the factors affecting heating effect of electric current?
→
What happens to matter during heating?
→
Classify the following terms into cells, tissues, organs and write in the tabular column given below

Neuron, Lungs. Xylem, brain, adipose, Leaf, RBC, WBC, hand, muscle, heart, ovum, squamous, phloem, cartilage.

Cell Tissue organ
→
What are compounds? Give two examples.
→
Why mercury or alcohol is used in thermometers?
→
A puddle of water getting pooled around the glass of ice-cream or a glass of ice cubes. When it is kept in room temperature. Give reason.
→
Define the following term with an example.

Compound

→
With the help of a diagram, state the laws of reflection
→