Which two elements will most likely form an ionic bond? krypton and lithium magnesium and silicon calcium and potassium iodine and chlorine

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality