" Hydrogen resembles the properties of alkali earth metals as well as halogens. Hydrogen has one electron in its valence shell and it also needs one more electron to get stable. ... For this the hydrogen is placed separately in periodic table ! "

P.s: sharky said thanks for the points !

6 0

2 years ago

Read 2 more answers

Identify the BEST way to determine if two organisms are closely related.

DedPeter [7]

Molecular homology, because it compares dna

6 0

2 years ago

Heat moves from this source by convection and radiation

marta [7]

Answer:

In CONVECTION, heat energy is carried by the movement of particles of matter. In CONDUCTION, heat is transferred by particles vibrating. In RADIATION, heat is carried directly by electromagnetic waves. When a hot object touches a cool object, heat moves from the hot one to the cool one.

Explanation:

3 0

3 years ago