Question

1) An elements ‘y’belongs to group 1 . Find formula for its oxide.

2) Name the element that has same number of electrons as that of K and C1 have.

3) Write down three elements that show Dobereiner's triad.

4) Write down two drawbacks of Newland's law of octaves.

5) What was the need for classification of elements ?

6) Which important property did Mendeleev used to classify the elements in his
periodic table ?​

Answer 1

Explanation:

please make me on the brain list

Answer 2

Answer:

*FASHION FIESTA*

*LENGHA COLLECTION *

*DVD PRESENT NEW LEHENGA COLLECTION*

*LEHENGA: MALBARI SILK WITH EMBROIDERY WORK*

*INNER: SATIN SILK WITH KEN KEN*

*DUPTTA: NET WITH WORK*

*BLOUSE:TAPETA SILK WITH EMBROIDERY WORK *

*RATE: ₹1400*

*COLOUR: 4*

*WEIGHT: 900 GM*

*WAIST: 46+*

*LENGTH: 44+*

*FLARE: 2.40METER*

* LENGTH OF DUPATTA: 2.40 METER*

* LENGTH OF BLOUS