An element A has an atomic number of 11 and another element B has an atomic number 17 (A and B are not actual chemical symbols of elements)
i. What group on the periodic table does A belong?
ii. What type of bond will be formed between A and B? Explain.
(2mks
(1ml
iii.
Write the formula of the compound that will be formed between A and B.
(lm
b. Arrange the species X, X5+ and X. in order of increasing size.​

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.