1. What is the difference between the symbol and the formula of oxygen?
2. What specific name is given to the number of hydrogen atoms that can combine with or be
displaced by one atom of an element? Is this a modem definition?
3. An element X forms a compound XH, with hydrogen. Another element Ý forms a compound
YX, with X Given that the valency of hydrogen is I, what are the valencies of X and Y?
4. Is the equation: Na + H2O- NaOH + H, balanced? Why?
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Answer:
The symbol of oxygen is O while the formula of oxygen is O2 as it exists in diatomic form in nature.
Explanation:
sorry, I only got 1st question s answer
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Answer:
1. The symbol of oxygen is O while the formula of oxygen is O2 as it exists in diatomic form in nature.
2. Valency is the Number of Hydrogen Atoms Which Can Combine with Or Displace One Atom of the Element Or Radical Forming a Compound.
3. Has 3 valency
Is a metal and is solid
XH3 reacts with water to form a
4. Balanced equation: 2Na+2H2O→2NaOH+H2
In other words, the mass and the charge are balanced on both sides of the reaction.
Explanation:
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