1) Which of this following have the largest size a) Mg2+ b) O2- c) F- d) K+ e) Ne 2) When down a group, atomic radius is a) increase b) constant c) decrease 3) Electronic configuration of Ca is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² . So, Ca is in period a) 3 b) 8 c) 2 d) 4 4) Proton number of aluminium is 13 . Aluminium is in group a) 13 b) 3 c) 2 d) 12 5) Anion always ________ than its atom a) smaller b) larger 6) When the size of the atom is decrease , the ionization energy is a) decrease b) constant c) increase 7) MgO is a a) acidic oxide b) amphoteric oxide c) basic oxide 8) When screening effect of an atom is increase, its atomic radius is a) decrease b) increase

PERIODIC TABLE

만든이
인쇄
퍼가기

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?