KCSE Chemical Bonding and Molecular Geometry — practice questions
30 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice KCSE Chemical Bonding and Molecular Geometry in the app →How does a neutral atom become a cation?What holds the ions of an ionic compound together?Which pair of properties do ionic solids typically show?Solid sodium chloride does not conduct electricity, but the molten salt does. Why?A binary ionic compound is built from which two kinds of element?What does the chemical formula of an ionic compound actually tell you?Why is it wrong to speak of a single sodium chloride molecule?When an atom of a main group element forms a cation, how many electrons does it tend to lose?For elements in groups 13 to 17, how is the charge of the cation worked out?Which electrons leave first when an atom of a transition metal ionises?How many electrons does a nonmetal atom gain when it forms a monatomic anion?How do the melting points of covalent compounds compare with those of ionic compounds?What fixes the bond length in a hydrogen molecule?What happens to energy when a chemical bond is formed?When are the electrons of a covalent bond shared completely equally?What does electronegativity measure?How does electronegativity change across a period and down a group?Which element is the most electronegative of all?How does electronegativity differ from electron affinity?What kind of quantity is the electron affinity of an element?What kind of bond usually forms between a metal and a nonmetal?In a Lewis symbol, what do the dots drawn around the element symbol represent?By bonding, how many valence electrons do main group atoms tend to end up with?Why is hydrogen an exception to the octet rule?How many pairs of electrons are shared in a double bond?A triple bond shares how many electron pairs between the two atoms?What arrangement of electron pairs does VSEPR theory predict a molecule will adopt?When does the electron pair geometry match the molecular structure exactly?What is the energy needed to break one mole of a particular covalent bond called?What does the lattice energy of an ionic compound measure?