Question

Long Answer Type Qu Explain, 1. Name the elements of shortest period. 3. Sodium (Atomic. No. 11) readily forms ions whereas neon (Atomic. No. 10) does not. 2. 4. An element C has the electronic configuration 2, 8, 8, 1. Without identifying C: What are the general trends in the properties of elements o study reducing properties (iii) Write down the probable formula and appearance of the chloride of C. 5. Copy first the elements in List 1 then match their valencies in List 2 and their nature in List 1 halogen (i) Predict the group and period of C. (ii) The sign and charge on a simple ion of C. (iv) State whether you would expect the element C to have oxidising or List 3 List 2 po alkaline earth List 1 + 2 inert gas A has atomic number 15 B/has electronic configuration 2, 8, 8 has neutrons 14, electrons 13 has 17 protons and 17 electrons has 2 electrons in its outermost shell 3 0 pnicogens amphoteric element One important difference between the following (based on the word in brackets). ind and groun (shell) + 3.​

Answer 1

Answer:

The periodic table of the elements contains all of the chemical elements that have been discovered or made; they are arranged, in the order of their atomic numbers, in seven horizontal periods, with the lanthanoids (lanthanum, 57, to lutetium, 71) and the actinoids (actinium, 89, to lawr

Explanation:

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Answer 2

Explanation:

=>The shortest period in the modern periodic table contains only two elements i.e, hydrogen and .

• helium.
• neon.
• lithium.
• berylium.