1. 319.4 m and X-rays
2. 319.4 m and radio wave
3. 219.3 m and microwave
4. 219.3 m and radio wave
1. 28.5 kJ
2. 17.1 kJ
3. 45.7 kJ
4. 1 .7 kJ
1. -1
2. 0
3. > 1
4. < 1
1. K+ < Ca2+ < Mg2+ < Be2+
2. Be2+ < K2+ < Ca2+ < Mg2+
3. Mg2+ < Be2+ < K+ < Ca2+
4. Ca2+ < Mg2+ <Be+ < K+
1. 4.32
2. 3.34
3. 9.46
4. 5.97
1. 500 K
2. 400 K
3. 600 K
4. 200 K
1. 64%
2. 36%
3. 100%
4. 50%