クイズで暗記だポン vs Elements Gallery

世界の国旗と首都を楽しく学べるクイズアプリです。 国旗を見て国名を答える「国旗クイズ」と、国名から首都を答える「首都クイズ」を収録。 シンプルな4択形式なので、空き時間に気軽に遊びながら、世界の国々について学ぶことができます。 【主な機能】 ・世界の国旗クイズ ・世界の首都クイズ ・4択形式でかんたん操作 ・間違えた問題の復習 ・出題数の設定 ・順番出題／シャッフル出題の切り替え 地理の学習、国旗の暗記、首都の確認、ちょっとした知識チェックにおすすめです。 世界の国旗と首都を、クイズで楽しく覚えていきましょう。

A visual periodic table app covering all 118 elements. 2D PERIODIC TABLE A grid layout by group and period. Categories like alkali metals, halogens and transition metals are color-coded, so you can see an element's classification at a glance. Pinch to zoom into crowded blocks of elements for a closer look. ELEMENT DETAILS Tap an element to see its electron configuration through an intuitive rotating shell animation. Dig deeper with atomic number, mass, melting and boiling points, density, electronegativity, year of discovery, real-world photos with usage examples (sourced and licensed), a list of isotopes, molecular structures of representative compounds (water, carbon dioxide, ozone and more), and electron configuration changes for common ions. WHO IT IS FOR - Students studying basic or advanced chemistry - Anyone curious about elements and chemistry - Looking for reference material for a school project or class FEATURES - All 118 elements and 96 real photos bundled from the start — every feature works offline - Japanese and English supported (switches automatically with your device language) - No ads, no account required, no additional purchases - All photos are public domain or Creative Commons, with sources credited