Question

Across
2. The giant planet along with Jupiter that
contains hydrogen_______.
7. Process of manufacturing hydrogen from
water and coke________.
8. Hydrogen is light and highly__________.
10. Hydrogen can be manufactured from water
with this technique_________.
11. Most essential compound of hydroge __________.
12. First element in the periodic table __________.
13. Hydrogen is made up
of___________. isotope .
​

Answer 1

1.Saturn

2.

3.flammable

4.Electrolysis

5.Water

6.Hydrogen

7.2

Answer 2

Answer:

2.Saturn

10.Electrolysis

11.Water

12.Hydroden

13.There are three isotopes of the element hydrogen: hydrogen, deuterium, and tritium. How do we distinguish between them? They each have one single proton (Z = 1), but differ in the number of their neutrons. Hydrogen has no neutron, deuterium has one, and tritium has two neutrons.

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