Category: Science

Why is boron a metalloid?

Score: 4.1/5 (5 votes) Boron atoms form covalent bonds by sharing the valence electrons. Boron is electron deficient and has vacant p-orbitals. ... So, w...

Should i visit tunisia?

Score: 4.8/5 (55 votes) Tunisia, officially the Republic of Tunisia, is the northernmost country in Africa. It is a part of the Maghreb region of North A...

Who invented the ladder?

Score: 4.2/5 (41 votes) On January 7, 1862, John H. Balsley obtained the first patent in the USA for designing step ladder. He's considered to be th...

Is diffusibility a word?

Score: 4.2/5 (53 votes) (physics, of a gas or other fluid) A measure of the speed of diffusion. (figuratively, e.g. of a disease) Capacity for spreading....

Where do whooper swans roost?

Score: 4.5/5 (64 votes) Most often, they will be feeding in fields and can be observed from roadside viewpoints. Some sites such as Portmore Lough RSPB R...