Atomic Structure And The Periodic Table
Akopọ
Everything around you is built from atoms, and every atom is built from just three kinds of smaller particle: protons, neutrons and electrons. Knowing how these are arranged inside an atom is the key to understanding why elements behave as they do.
In this lesson you will learn the structure of the atom, the relative charges and masses of its particles, and what the proton number and mass number tell you. You will also see how electrons are arranged in shells and how this links to an element's place in the Periodic Table.
Awọn Afojusun
- Describe the structure of the atom as a central nucleus containing neutrons and protons surrounded by electrons in shells.
- State the relative charges and relative masses of a proton, a neutron and an electron.
- Define proton number / atomic number as the number of protons in the nucleus of an atom.
- Define mass number / nucleon number as the total number of protons and neutrons in the nucleus of an atom.
- Determine the electronic configuration of elements and their ions with proton number 1 to 20, e.g. 2,8,3.
- State that: (a) Group VIII noble gases have a full outer electron shell (b) the number of outer shell electrons is equal to the group number in Groups I to VII (c) the number of occupied electron shells is equal to the period number.
Akọ̀wé Ẹ̀kọ́
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Ìdánwò Ẹ̀kọ́
Oriire fun ipari ẹkọ lori Atomic Structure And The Periodic Table. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.
Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.
Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.
- Which particle has no charge? A. Proton B. Neutron C. Electron D. Ion Answer: B
- The proton number of an element is the number of: A. Neutrons B. Protons C. Electrons plus neutrons D. Protons plus neutrons Answer: B
- An atom of an element has a mass number of 23 and a proton number of 11. How many neutrons does it have? A. 11 B. 12 C. 23 D. 34 Answer: B
- How many electrons can the first electron shell hold? A. 1 B. 2 C. 8 D. 18 Answer: B
- The electron arrangement of sodium is 2, 8, 1. In which group of the Periodic Table is sodium? A. Group I B. Group II C. Group VII D. Group 0 Answer: A
O wa lori ohun elo Green Bridge
Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.
O wa lori ohun elo Green Bridge
Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.
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Ṣe o fẹ ṣe adaṣe awọn ibeere idanwo adaṣe nipa Atomic Structure And The Periodic Table? Ṣe igbasilẹ ohun elo Green Bridge CBT lati wọle si awọn ibeere idanwo adaṣe ati awọn ayẹwo adaṣe kikun fun koko-ọrọ yii.
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