Answer:
6
Explanation:
6.0mol ( 1 mol H2/ 1 mol Zn ) = 6.0 mol of H2
H2 is hydrogen gas (hydrogen in the air).
Answer:
Rutherford's atomic model explained how the electrons surrounded the nucleus of protons and neutrons. His model showed how J. J. Thomson's Plum Pudding model was incorrect.
Answer:
Same as lithium
Explanation:
Lithium and Ceaseum both are group one elements i.e alkali metals
So they have same chemical properties almost
Hence Ceaseum would react with oxygen in 2:1 ratio
Answer:
An element is a substance that cannot be split out into simpler substance by chemical means
A compound i is a substance consisting atoms of 2 or more different elements and these atoms are chemically joined together
Explanation:
Correct answer is conduction, A
