Advertisements
Advertisements
प्रश्न
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is
पर्याय
17
11
18
20
उत्तर
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is 17.
APPEARS IN
संबंधित प्रश्न
Match the atomic number 4, 8, 14, 15 and 19 with each of the following:
(a) A solid non-metal of valelncy 3.
(b) A gas of valency 2.
(c) A metal of valency 1.
(d) A non-metal of valency 4
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2, 8, 1 |
2, 8, 7 |
2, 5 |
1 |
Answer the following question based on the table above:
What is the formula of the compound formed between W and X.
What is the contribution of the following in atomic structure?
Democritus
Match the atomic numbers 4, 14, 8, 15 and 19 with each of the following:
- A solid non-metal of valency 3.
- A gas of valency 2.
- A metal of valency 1.
- A non-metal of valency 4.
Give the orbital diagram of the following:
Methane
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
In the formation of magnesium chloride (by direct combination between magnesium and chlorine), name the substance that is oxidized and the substance that is reduced.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^31_15P}\]
Explain Octet rule with an example.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
