180 degree
180
90
The lone pair - OH bond repulsion in water is greater than the OH bond- OH bond repulsion. In methane all of the bonds are the same so it has perfect tetrahedral symmetry. This is VSEPR theory
The CH4 Bond Angle Will Be 109.5 Degrees Because It Has a Tetrahedral Molecular Geometry.
90
No, BeH2 cannot form a hydrogen bond because it does not contain hydrogen atoms bonded to electronegative atoms such as oxygen, nitrogen, or fluorine, which are necessary for hydrogen bond formation. Instead, BeH2 forms ionic bonds between beryllium and hydrogen atoms.
Beryllium hydride.
The hybridization of Be in BeH2 is sp hybridization. Beryllium has 2 valence electrons and forms 2 bonds with the two hydrogen atoms in BeH2, resulting in sp hybridization.
BeH2 is a covalent compound because beryllium typically forms covalent bonds with hydrogen. HCl is considered an ionic compound because hydrogen chloride typically forms an ionic bond between the hydrogen and chlorine ions.
The bond angle in CO2 is 180 degrees.
The bond angle of AlCl3 is 120 degrees.
The bond angle of N2O is 180 degrees.
The bond angle for H2S is approximately 92 degrees.
About this type of question: My answer is that beryllium is small in size. So, the charge density (charge/radius) is extremely high. So, the force of attraction between the electrons in orbitals and proton in nucleus is very strong. When beryllium is encountered with the other elements (i.e. chlorine), the electrons cannot loss to environment(due to strong force of attraction), but the beryllium will be polarised to become positively charge and hence attract the electron from other elements to form the covalent compound (BeCl2 which is Cl-Be-Cl). So the beryllium hydride is a polar covalently bonded compound.
The bond angle for AsF3 is approximately 87.5 degrees.
The bond angle for NBr3 is approximately 107 degrees.
The bond angle for IO2 is around 120 degrees.