15. X, Y and Z are the elements in the same period in the Periodic Table.Element Characteristic of oxide XAcidic YBasic ZAmphoteric Which of the following is the arrangement of the elements X, Y and Z in order of increasing proton number? D A→Z x→Y→Z 一B Y→X→Z C Yx→z→...
28 Which statement about elements in the Periodic Table is correct? A A Elements at the left-hand side of the Periodic Table are more metallic than those, in the same period, near the right-hand side. B Elements at the top of a group lose electrons more readily than those, in the ...
What are the periodic trends on the table? Each of the elements in the same period of the periodic table: A. has the same number of protons and electrons. B. belong to the same family. C. has the same number of electrons in each orbital. D. has the same number of ...
15 Which statement about the Periodic Table is correct? B A All elements in the same group of the Periodic Table have the same number of electrons.B All elements in the same period of the Periodic Table have the same number of electron shells.C The melting points of the elements in Group...
9Elements X, Y and Z are in the same period of the Periodic Table.The properties of the oxides formed by these elements are shown below.oxide X dissolves in dilute hydrochloric acid oxide Y dissolves in aqueous sodium hydroxide oxide Z dissolves in both dilute hydrochloric acid and aqueous so...
The elements in a period have consecutive atomic numbers. 01:35 Metals are found on the right side of the periodic table. 01:48 In a period, all the elements have the same valency. 02:27 In a period, all the metallic charcacter of elements increases from le... 02:37 Different elemen...
Writen the atomic number of the element present in the fourth period and eighth group of the Modern periodic table. View Solution Which two elements are in same period as well as same group of modern periodic table ? View Solution If each orbital can hold a maximum of 3 electrons. Then th...
The next period includes 32 elements, and the last period is apparently incomplete. With this arrangement, elements in the same vertical column have similar characteristics. These columns constitute the chemical families or groups. The groups headed by the members of the two 8-element periods are ...
the same number of(1) A protons□ B neutrons C electrons in the outer shell D protons and neutrons(b)The elements in the periods of the Periodic Table show a change in properties across the period from left to right.The table gives information about some elements in Period 2.Li Be BC ...
22 In the outline of the Periodic Table below, some elements are shown as numbers.□1234567Which two numbers are metals in the same period? D A 1 and 2 B 1 and 7 C 3 and 5 D 5 and 6 相关知识点: 试题来源: 解析 D 反馈 收藏 ...