Titanium metal requires a photon with a minimum energy of 4.41 x 10-19 j to emit electrons.

(a) what is the minimum frequency of light necessary to emit electrons from titanium via the photoelectric effect?

(b) what is the wavelength of this light?

(c) is it possible to eject electrons from titanium metal using visible light?

(d)if titanium is irradicated with light of 233 nm, what is the maximum possible kinetic energy of the emitted electrons?

(e) what is the maximum number of electrons that can be freed by a burst of light whose total energy is 2.00 uj?

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explanation:

covalent bonds

consist of pairs of electrons shared by two atoms, and bind the atoms to fixed orientation and requre high energies to break them

ionic bonds

when two atoms differ considerably in their electronegativity, then one of the atoms will lose its electron to the other atom. this results in a positively charged ion(cation) and a negatively charged ion (anion)

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.