Chemistry, asked by Anonymous, 1 year ago

Class 10.....................
PLEASE ANSWER FAST................
What is the major characteristic of the first elements I have the periods? What is the general name of such elements??

Answers

Answered by BHADWI
0
Hydrogen and helium 2 elements of 1st period... In which helium is a gas
Answered by saindulakavath
0
in 1st period there are two elements namely hydrogen and helium

helium is inert gas and it is noble gas.

coming to hydrogen , it is common or normal gas.
Previous Question
Next Question
Similar questions
Hindi, 8 months ago
पद को________भी कहा जाता है।​...
Math, 8 months ago
Which of the following is the additive identity in the set of whole number?​
Math, 8 months ago
the circumference of a circle exceed its diameter by 30 CM find the radius of the circle​...
Math, 1 year ago
a well of a diameter 150 cm has a 30 cm wide parapet running around it .find the area of parapet...
Math, 1 year ago
please answer this question...
Math, 1 year ago
A house owner makes an increase of 15% in rent. After some time makes a decrease of 10%. Find the percent increase in the original rent.
Science, 1 year ago
A force of 12N is applied on area of 4cm^2.find pressure.
Math, 1 year ago
The edge of solid cube is 6 cm .how many cubes of 2 cm edge can be formed from this cube...