1) What is an atom that has lost or gained electrons? a) Ion b) Electron c) Nucleus d) Proton e) Neutron f) Isotope 2) Why do atoms lose or gain electrons? a) Because they have too many b) To get a full outer shell which is stable c) Because they want to get bigger d) They are uncharged e) To remove a shell f) To gain negative charge 3) What is another name for the outer shell of electrons? a) Nucleus b) Furtherest c) Inner d) Valence e) Negative f) Positive 4) What does the atomic number of an element tell you? a) Number of protons only b) Number of electrons only c) Number of protons and electrons d) Sum of protons and neutrons e) Sum of electrons and neutrons f) The charge on the atom 5) What is the electron arrangement of an atom with the atomic number of 17? a) 2,1 b) 2,15 c) 2,7,8 d) 2,8,8,7 e) 2,8,7 f) 2,8,1 6) What is the charge on an atom that has lost two electrons? a) -1 b) 0 c) +2 d) -2 e) +3 f) +4 7) What is the charge on an atom that has gained one electron? a) +1 b) -1 c) +2 d) -2 e) +3 f) -3 8) What is a neutral atom? a) It has a pH of 7 b) It has no charge c) It only contains neutrons d) It is unreactive e) It is in group 17 f) It has a positive charge 9) What is the charge on an electron? a) Positive b) negative 10) What is the charge on a proton? a) Positive b) Negative
0%
Y11 Acids and bases
共用
由
Clairel
編輯內容
嵌入
更多
排行榜
顯示更多
顯示更少
此排行榜當前是私有的。單擊
共用
使其公開。
資源擁有者已禁用此排行榜。
此排行榜被禁用,因為您的選項與資源擁有者不同。
還原選項
測驗
是一個開放式範本。它不會為排行榜生成分數。
需要登錄
視覺風格
字體
需要登錄
選項
切換範本
顯示所有
播放活動時將顯示更多格式。
打開結果
複製連結
刪除
恢復自動保存:
?