1) Which type of elements form ionic bonds a) metals b) non-metals c) metals and non-metals 2) What type of elements give away (loose) electrons?  a) metals b) non-metals 3) What type of elements receive (gain) electrons? a) metals b) non-metals 4) Do non-metal ions have a positive or a negative charge?  a) positive b) negative 5) How many electrons will calcium give away? a) 1 b) 2 c) 3 d) 4 6) Do metals ions have a positive or a negative charge?  a) positive b) negative 7) What holds the ions together in an ionic bond? a) forces b) electron static forces c) electrostatic forces 8) How many electrons will oxygen receive (gain)? a) 1 b) 2 c) 3 d) 4 9) How many electrons will bromine receive (gain)?  a) 1 b) 2 c) 3 d) 4 10) How many electrons will potassium give away (loose)? a) 1 b) 2 c) 3 d) 4

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?