Which of these substances are molecules?

2 answers:

Studentka2010 [4]3 years ago

7 0

A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. So I would say is all of them, as they all contain two atoms each even in the diatomics

lorasvet [3.4K]3 years ago

5 0

The answer is; All of them

A molecule is a stable chemical unit (with neutral charge) of atoms chemically bonded together (these bonds can be covalent, metallic, ionic, and etcetera). The molecule can, therefore, be of an element (contain atoms of the same element – in this case, N2 and O2) or a compound (atoms of different elements- in this case, H2O and NaCl).

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How are the graphs of the sine function and the cosine function different?

Zielflug [23.3K]

They are different by a phase shift of pi/2

3 0

3 years ago

In the three-dimensional structure of methane, ch4, the hydrogen atoms attached to a carbon atom are aligned ________. in the th

Nikitich [7]

Answer:
In the three-dimensional structure of methane, CH₄, the hydrogen atoms attached to a carbon atom are aligned at the corners of a Tetrahedron.

Explanation:
In Methane (CH₄) the central atom (carbon) is bonded to four hydrogen atoms. So, the central atom is having four electron pairs and all pairs are bonding pairs and lacks any lone pair of electron. According to Valence Shell Electron Pair Repulsion (VSEPR) Theory the central atom with four bonding pair electrons and zero lone pair electrons will attain a tetrahedral geometry with bond angles of 109°. Hence, the shape of CH₄ is tetrahedral.