Question

what property do all elements have in a row of the modern periodic table. Write the name of groups 1 elements?​

Answer 1

Answer:

The elements are arranged in seven horizontal rows, in order of increasing atomic number from left to right and top to bottom. The rows are called periods, and they are numbered from 1 to 7

Step-by-step explanation:

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Answer 2

Answer:

The elements are arranged in seven horizontal rows, in order of increasing atomic number from left to right and top to bottom. The rows are called periods, and they are numbered from 1 to 7.

(That is they have 7 horizontal rows in all. And also 18 groups which are vertical columns also called as Groups.)

Step-by-step explanation:

Names of group 1 elements:

Group 1: The Alkali Metals

The alkali metals are

• lithium,
• sodium,
• potassium,
• rubidium,
• cesium,
• francium.

Hydrogen is unique in that it is generally placed in Group 1, but it is not a metal. The compounds of the alkali metals are common in nature and daily life.