Zadanie 2c
Use the position of selenium in the periodic table to outline what is known about the electron configuration of its atoms. Give one piece of information from the group number and one from the period number.
Periods, groups and blocks of the periodic table
Navigate the periodic table by periods, groups numbered 1 to 18 and the s, p, d and f blocks, and identify where metals, metalloids and non-metals are located.
Tę umiejętność sprawdza 10 zadań wzorowanych na arkuszach IB z lat 2022–2026.
Zadania sprawdzające tę umiejętność: 10 Otwórz w wyszukiwarce z filtrami
Zadanie 12
Which classification is correct? A. Alkali metal: rubidium; transition element: platinum; halogen: xenon; noble gas: bromine B. Alkali metal: rubidium; transition element: platinum; halogen: bromine; noble gas: xenon C. Alkali metal: platinum; transition…
Zadanie 12
The diagram shows an outline of the periodic table with four regions labelled A, B, C and D. An element has the ground state electron configuration [Ar] 3d7 4s2. In which region is it found? A. Region A B. Region B C. Region C D. Region D
- Materiał graficzny
Zadanie 13
Which of these could be the ground-state electron configuration of an atom of a d block element? A. [Ar] 4s2 3d10 4p1 B. [Ne] 3s2 3d6 C. [Ar] 4s2 3d6 D. [Ar] 4s2 4p6
Zadanie 12
Which element belongs to the f-block of the periodic table? A. Nd B. Fr C. Ta D. Pb
Zadanie 12
Which of these elements is a non-metal found in the p-block of the periodic table? A. Bi B. Se C. Sc D. Cs
Zadanie 15
Which characteristic determines the block of the periodic table in which an element is placed? A. the number of valence electrons the element has B. the number of occupied main energy levels C. whether the element is a metal, a metalloid or a non-metal D. the…
Zadanie 6
Which element is in the f-block of the periodic table? A. U B. Ba C. Hf D. Rf
Zadanie 7
Which is the electron configuration of an atom of a metallic element? A. [He] 2s2 2p3 B. [Ne] 3s2 3p5 C. [Ar] 3d6 4s2 D. [Ar] 3d10 4s2 4p4
Zadanie 7
Which elements are metalloids? I. Silicon II. Antimony III. Bismuth A. I and II only B. I and III only C. II and III only D. I, II and III