Physics, asked by sakshilal51, 2 days ago

write number of elements that first period has

Answers

Answered by litzSofil

1

Answer:

Period 1 has only two elements (hydrogen and helium), while periods 2 and 3 have 8 elements. Periods 4 and 5 have 18 elements.

Answered by astikankita33

1

Answer:

There are 2 elements in period 1 in the periodic table.

Explanation:

Hydrogen and helium are the elements of period 1 in a periodic table

Previous Question

Next Question

Similar questions

Biology, 1 day ago

A short note on animal kingdom with examples ...

English, 1 day ago

मिस्टर बत्रा इज अ जेंटलमैन ...

Math, 1 day ago

If 24 workers can build a room in 38 hours, how many workers will be required to do the same work in 16 hours?

Math, 2 days ago

The lengths of the sides of a triangle are x cm , (x + 1) cm , and (x + 2) cm. Determine x so that this triangle is a right-angled triangle.

Accountancy, 2 days ago

on dissolution of the firm, what entry is passed for making payment of realisation expenses by a partner?

English, 8 months ago

It has been raining morning a. since b. from c. till d. for ...

Chemistry, 8 months ago

11. Identity which of the following is homogenous mixture or heterogeneous one. Also identify the type of constituents in mixture (e.g. gas in gas, gas in liquid, gas in solid etc.) a. Air b. Water and Oil (N + O2) c. Hydrogen in Palladium d. Aerated Water (CO2 + H2O) e. Chalk in water f. Ethyl Alcohol in Water g. Alloys e.g. brass h. Dust (e.g. fine sand) in water i. Sand - iron fillings j. Sand...

English, 8 months ago

the pully central idea of the poem...