Question

Определение Аr следующих элементов В , Аl , Si , Cu , Ag , F , Br .​

Answer 1

Ответ:

Ar[B] = 10.811 = 11

Ar[Al] = 26.9815386 = 27

Ar[Si] = 28.0855 = 28

Ar[Cu] = 63.546 = 64

 Ar[Ag] = 107.8682 = 108

Ar[F] = 18.9984032 = 19

Ar[Br] = 79.904 = 80

Объяснение:

Answer 2

Definition of Ar and the Following Elements:

- Ar: Ar is the chemical symbol for the element Argon. Argon is a noble gas and is the third-most abundant gas in the Earth's atmosphere. It is colorless, odorless, and non-reactive. Argon is used in various applications, such as in light bulbs, lasers, and as a shielding gas in welding.

- Al: Al is the chemical symbol for the element Aluminum. Aluminum is a lightweight metal that is known for its low density and corrosion resistance. It is widely used in various industries, including construction, transportation, and packaging.

- Si: Si is the chemical symbol for the element Silicon. Silicon is a metalloid and is the second-most abundant element in the Earth's crust. It is a crucial component in the production of semiconductors, which are used in electronic devices such as computers and smartphones.

- Cu: Cu is the chemical symbol for the element Copper. Copper is a reddish-brown metal that is known for its excellent electrical conductivity. It is used in electrical wiring, plumbing, and various other applications.

- Ag: Ag is the chemical symbol for the element Silver. Silver is a lustrous metal that is known for its high thermal and electrical conductivity. It is used in jewelry, coins, and as a catalyst in chemical reactions.

- F: F is the chemical symbol for the element Fluorine. Fluorine is a highly reactive non-metal and is the lightest halogen. It is used in various industries, including the production of fluoropolymers and as a component in toothpaste and water fluoridation.

- Br: Br is the chemical symbol for the element Bromine. Bromine is a reddish-brown liquid at room temperature and is the only non-metallic element that is a liquid. It is used in the production of flame retardants, pharmaceuticals, and as a disinfectant.