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12345 [234]
3 years ago
8

Is this right, I feel like its wrong

Chemistry
1 answer:
hjlf3 years ago
7 0

It is correct, next time re-check your answer and don't second guess yourself. ;3

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Characteristics of an atom
Doss [256]

Answer:

It is composed of protons, which have a positive charge, and neutrons, which have no charge. Protons, neutrons, and the electrons surrounding them are long-lived particles present in all ordinary, naturally occurring atoms. Other subatomic particles may be found in association with these three types of particles.

Explanation:

Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).

3 0
3 years ago
Which is the correct Lewis dot structure of NH2?
Svetlanka [38]

Answer:

D

OE. E

Explanation:

7 0
3 years ago
Isotopes: are atoms of different elements which have the same mass are atoms of the same element with equal numbers of neutrons
koban [17]
I can't understand your option because there is no full stop however

isotopes are 2 or more form of elements that contain equal number of proton but different number of neutron in their nuclei
4 0
3 years ago
Read 2 more answers
Indica en qué modelos se fueron descubriendo las partículas atómicas y las unidades en la que se expresan su masa y su carga elé
11Alexandr11 [23.1K]

Answer:

En total son 8 modelos, en la explicación los nombraremos por orden de antigüedad.

Explanation:

Modelo atómico de Demócrito (450 a.C.)

Modelo atómico de Dalton (1803 d.C.)

Modelo atómico de Lewis (1902 d.C.)

Modelo atómico de Thomson (1904 d.C.)

Modelo atómico de Rutherford (1911 d.C.)

Modelo atómico de Bohr (1913 d.C.)

Modelo atómico de Sommerfeld (1916 d.C.)

Modelo atómico de Schrödinger (1926 d.C.)

3 0
3 years ago
Which statement is a hypothesis?
mel-nik [20]
A. is a hypothesis because hypotheses are usually in the form of if-then statements.
3 0
3 years ago
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