Chlorine and bromine are elements in Group VII.

Chemistry

1 answer:

Goryan [66]3 years ago

7 0

Explanation:

Bromine is a chemical element with the symbol Br and atomic number 35. It is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured vapour. Its properties are intermediate between those of chlorine and iodine. Isolated independently by two chemists, Carl Jacob Löwig (in 1825) and Antoine Jérôme Balard (in 1826), its name was derived from the Ancient Greek βρῶμος ("stench"), referring to its sharp and disagreeable smell.

Bromine, 35Br

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Q.3.Which of the following chemical reactions is an acid-base reaction?

padilas [110]

Answer:

Explanation:

Hbr is acidic

NaOH is a base

plus u get a salt from this equation as well as water

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5 0

3 years ago

The diagram below shows the atoms involved in forming table salt. Which statement best describes what happens next ?

bulgar [2K]

Answer: The correct option is D.

Explanation: Table salt has a chemical formula NaCl.

This compound is an ionic compound.

Ionic compound is defined as the compound formed when there is a complete transfer of electron from one element to another.

NaCl consists of two elements, Sodium (Na) and Chlorine (Cl)

Sodium has an atomic number of 11 and its electronic configuration is $[Ne]3s^1$ . This element has 1 extra electron, so in order to have stable electronic configuration, this element will release 1 electron and forms a cation.

Chlorine has an atomic number of 17 and its electronic configuration is $[Ne]3s^23p^5$ . Chlorine element requires 1 electron to have stable electronic configuration. Hence, this element will accept 1 electron and will form an anion.