Question

Открытие ПЗ и создание ПС позволили:1)исправить неверные Аr некоторых элементов,например........2) исправить неверные с.о. некорых элементов ,например.....3)предсказать,описать свойства ,указать пути открытия ещё некоторых элементов.Триумф ПЗ для открытия ;-..(название элемента),его химический знак .....-..(название элемента),его химический знак .....-..(название элемента),его химический знак .....

Answer 1

Ответ 3,
скандий Sc, галлий Ga, германий Ge

Answer 2

Opening and Creating Periodic Table and Elements

The opening and creation of the Periodic Table (PT) and the discovery of new elements have had several significant impacts. Here are some of the key benefits:

1) Correcting inaccurate atomic weights and properties: The development of the PT allowed scientists to organize elements based on their atomic number and atomic weight, which helped correct inaccuracies in the previous understanding of elements. For example, the discovery of isotopes and the reordering of elements based on atomic number helped correct the inaccurate atomic weights of certain elements [[1]].

2) Correcting inaccurate chemical symbols: The PT also helped correct inaccurate chemical symbols for some elements. Prior to the PT, different symbols were used to represent the same element in different regions. The PT standardized the use of chemical symbols, ensuring consistency and accuracy in representing elements [[2]].

3) Predicting and describing properties of elements: The PT enabled scientists to predict and describe the properties of elements based on their position in the table. By observing patterns and trends in the PT, scientists could make predictions about the properties of elements that had not yet been discovered. This allowed for the identification of new elements and the anticipation of their properties [[3]].

Triumph of the Periodic Table

The PT has been a triumph in the field of chemistry, revolutionizing our understanding of the elements and their properties. Here are three examples of elements and their chemical symbols:

1) Hydrogen (H): Hydrogen is the lightest and most abundant element in the universe. It has the chemical symbol H and is the first element in the PT [[4]].

2) Oxygen (O): Oxygen is a highly reactive element and is essential for supporting life. It has the chemical symbol O and is the eighth element in the PT [[5]].

3) Carbon (C): Carbon is a versatile element that forms the basis of organic chemistry. It has the chemical symbol C and is the sixth element in the PT [[6]].

Please note that the PT consists of many more elements, each with its own unique properties and chemical symbols.