Advertisements
Advertisements
प्रश्न
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
Advertisements
उत्तर
(a) Y + 3e-→ Y3-
(b) 3X +Y2 → X3Y2
APPEARS IN
संबंधित प्रश्न
In term of electron transfer, define Oxidation
State the following is a reduction reaction or oxidation reaction.
\[\ce{Cu -> Cu^2+}\]
State one observation which shows that atom is not indivisible.
How does the Modern atomic theory contradict and correlate with Dalton's atomic theory?
Five atoms are labeled A to E
|
Atoms |
Mass No |
Atomic No. |
|
A |
40 |
20 |
|
B |
19 |
9 |
|
C |
7 |
3 |
|
D |
16 |
8 |
|
E |
14 |
7 |
(a) Which one of these atoms:
(i) contains 7 protons
(ii) has electronic configuration 2,7
(b) Write down the formula in the compound formed between C and D
(c) Predict : (i) metals (ii) non-metals
Identify the following reaction as either oxidation or reduction:
O + 2e- → O2-
Draw the geometric atomic structure of the three isotopes of hydrogen and the two isotopes of chlorine.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^31_15P}\]
______ is the only noble gas that does not have eight electrons in its valence shell.
What is a chemical bond?
